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QUESTION 159
Which two Cisco router functional planes are protected by Control Plane Policing (CoPP)? (Choose two.)
A. Data plane
B. Control plane
C. Service plane
D. Management plane
E. Hyper plane

Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 160
QoS preclassification is a term used to describe what Cisco IOS feature?
A. AutoQoS
B. Modular QoS Command-Line Interface
C. QoS for VPNs
D. AutoSecure

Correct Answer: C Section: (none) Explanation
Explanation/Reference: QUESTION 161
Question: 161
What are two steps to define a QoS policy? (Choose two.)

A. Set a minimum bandwidth guarantee.
B. Increase bandwidth.
C. Determine a specific transfer rate.
D. Establish timers.
E. Configure CBWFQ for best-effort traffic.
F. Set a maximum bandwidth limit.

Correct Answer: AF Section: (none) Explanation
Explanation/Reference:
QUESTION 162

Using the SDM output from the Edit QoS Policy Tab in the Quality of Service Tasks under the Configure
button, answer the following questions:
Case Study# 1 (Questions)

Question:1
Which DSCP value will the Branch router apply to voice traffic destined for the Central from the IP Phone
on the local network?

A. 46 (ef)
B. 48 (vs6)
C. 50
D. 56 (cs7)
E. 70
Answer: A
Question: 2 Which DSCP value will the Branch router apply to voice traffic destined for the IP Phone on the local network from the Central site?
A. 46 (ef)
B. 48 (cs6)
C. 50
D. 56 (cs7)
E. 70 Answer: A
Question: 3 Which QoS model has been implemented on the Branch router by the SDM wizard for the various expected traffic types?

A. Best Effort
B. IntServ
C. DiffServ
D. Priority Queuing
Answer: C
Question: 4 During periods of congestion which queuing method will be applied to outbound traffic on the Serial0/3/0 interface?
A. Low Latency Queuing
B. Class-based Weighted Fair Queuing
C. Weighted Round Robin
D. Round Robin
E. No queuing is applied to outbound traffic on this interface. Answer: A
A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 163
Scenario:
Law Solutions, Inc. is a large, worldwide law firm. Using the AutoQoS feature of IOS, the company recently
implemented QoS policies at one of their Branch locations. As a recent addition to the network engineering
team, you have been tasked with documenting the active QoS configuration at the branch router.
Additionally, the firm is experiencing poor video quality with newly installed video-conferencing equipment.
The video problems at the branch location seem to occur only during peak hours when some network
congestion is expected.
Output:

Topology

Using the show run output of the branch router, answer the following questions:
Case Study# 2 (Questions)
Question: 1
Which DSCP value will the Branch router apply to video traffic destined for the Central site from the video
equipment on the local network?

A. 8 (cs1)
B. 10 (af11)
C. 18 (af21)
D. 24 (cs3)
E. 46 (ef)
F. no value
Answer: E
Question: 2 Which two statements most accurately identify what has caused the occasional poor video quality experienced by the Law Solutions, Inc.? (Choose two.)
A. Insufficient bandwidth is creating a bottleneck transiting from the FastEthernet0/0 to the Serial0/3/0 interface.
B. Auto-Discovery did not have an opportunity to detect the video traffic.
C. AutoQoS was implemented on the incorrect interface
D. A policy matching DSCP value 46 (ef) was not applied on the outbound interface.
Answer: B, D
Question: 3 Which QoS model has been implemented on the Branch router by Auto QoS for the various expected traffic types?
A. Best Effort
B. IntServ
C. DiffServ
D. Priority Queuing
Answer: C
Question: 4 During periods of congestion, how has AutoQoS configured the router to facilitate outbound video traffic on the Serial0/3/0 interface?
A. Video traffic will be associated with the priority queue by using a DSCP value of 46 (ef).
B. Video traffic will be associated with the AutoQoS-Signaling-Se0/3/0 class and its related policy through use of the H.323 protocol.
C. Video traffic will only be queued on the local FastEthernet0/0 interface using a DSCP value of 46 (ef).
D. Video traffic will be associated with the “class-default” and use WFQ.
Answer: D
Question: 5
Network topology exhibit:
You are a network technician at PassGuide.com, examine the exhibit carefully. You need to finalize the
configuration of router PassGuide-R in this scenario. In particular you should decide which interface types
can be used for connecting router PassGuide-R to the phone and fax respective ely.
(Choose two.)

A. Connect the analog phone to an FXS port.
B. Connect the fax to an FXS port.
C. Connect the fax to an FXO port.
D. Connect the analog phone to an FXO port.
Answer: A, B
Question:164 Scenario: Ferrous Plastics,Inc.is a medium sized company,with two locations connected through a serial WAN link.The WAN routers should be configured to only see NBAR to classify traffic interface Fa0/1 prior to using low latency queuing on the outgoing interface s0/1/0.Recently configuration changes were made to the inter-connecting routers WAN-R1 and WAN-R2.The company is now experiencing QoS related problems which they believe are associated with these changes. Router WAN-R2 is not marking traffic correctly on Fa0/1 based on NBAR classification.Which of the following is correct?
Topology:
Case Study# 3 (Questions)
Questions: 1 Router WAN-R2 is not marking traffic correctly on Fa0/1 based on NBAR classification.Which of the following is correct?
A. Protocol discovery is applied to the incorrect interface.
B. CEF is not configured.
C. The service-policy is applied in the wrong direction.
D. The service-policy configured on interface Fa0/1 should be policy.
Answer: D
Question: 2 The network administrator has asked how FTP traffic is being classified on router WAN R1.Which of the following is correct?
A. FTP traffic is marked correctly,but no other active protocols are marked correctly.
B. FTP traffic is marked correctly based on NBAR classification.
C. FTP traffic is marked correctly,but is not using NBAR for classification.
D. FTP traffic is not marked correctly based on NBAR classification as protocol discovery is applied to the incorrect interface.
Answer: C

Question: 3
On router WAN-R1,which protocol is being marked as af21?

A. CITRIX
B. Exchange
C. FTP D. HTTP
E. SQLNET
Answer: E

Question: 4
On rouoter WAN-R1,which protocol is being classified as mission critical?

A. CITRIX
B. Exchange
C. FTP
D. HTTP
E. SQLNET
Answer: A
A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 164
Question: 165 Which 802.1x Extensible Authentication Protocol (EAP) type supports authentication using digital certificates?
A. EAP-TLS
B. EAP-FAST
C. LEAP
D. WPA

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 165
Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols? (Choose three.)
A. Over leased lines, use the multilink ppp command to reduce latency and jitter, and to create Distributed Link Fragmentation and interleaving.
B. Use the service-policy command to attach a traffic flow to an interface on the router.
C. Use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses, and to guarantee admission of any flows.
D. Use the policy-map command to define one or more QoS policies (such as shaping, policing, and so on) to apply to traffic defined by a class map.
E. Use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value.
F.     Use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified.

Correct Answer: BDF Section: (none) Explanation
Explanation/Reference:
QUESTION 166
Which two voice-gateway, analog-interface statements are true? (Choose two.)
A. A router can use a Foreign Exchange Office (FXO) interface to connect to a PSTN.
B. A router can use a Foreign Exchange Station (FXS) interface to connect to a PBX.
C. An analog tax machine can connect to a Foreign Exchange Office (FXO) interface.
D. An analog telephone can connect to a Foreign Exchange Station (FXS) interface.

Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 167
Voice activity detection (VAD) suppresses the transmission of silence patterns. On average, and assuming that a link carries at least 24 calls, what percentage of total bandwidth could VAD save?
A. 5
B. 15
C. 25
D. 35
E. 45
F.     55
Correct Answer: D Section: (none) Explanation

Explanation/Reference:
QUESTION 168
Which two steps are executed in the deployment of Cisco AutoQos for Eeterprise?(Choose two.)
A. The customer uses SNMP statistics to create the policy.
B. QoS policy templates are generated and installed on the interface.
C. RTP is used to generate the policy.
D. LLQ, cRTP, and LFI are used to automatically discover the policy.
E. The auto-generated policy is manually optimized before implementation.
F. Auto-discovery is used to determine what traffic is on the interface.

Correct Answer: BF Section: (none) Explanation
QUESTION 169
A GRE tunnel is configured between a local and a remote site. Where should the service policy be applied to classify packets based on the pretunnel header?
A. In global configuration mode, apply the service policy and use the qos pre-classify command.
B. In global configuration mode, apply the service policy but do not use the qos pre- classify command.
C. Apply the service policy on the physical interface but do not use the qos pre-classify command.
D. Apply the service policy on the tunnel interface but do not use the qos pre-classify command.
E. Apply the service policy on the tunnel interface and use the qos pre-classify command.

Correct Answer: B Section: (none) Explanation
QUESTION 170
Which three statements about classification marking of traffic at Layer 2 are true? (Choose three.)
A. A Frame Relay header includes a 1-bit discard eligible (DE) bit to provide the class of service (CoS).
B. An ATM header includes a 1-bit DE field to provide the CoS.
C. An MPLS EXP field is inserted in the Layer 3 IP precedence field to identify the CoS.
D. The CoS field only exists inside Ethernet frames when 802.1Q or Inter-Switch Link (ISL) trunking is used.
E. In the IEEE 802.Ip standard, three bits are used to identify the user priority bits for the CoS.
F. In the IEEE 802.lq standard, six bits are used to identify the user priority bits for the CoS.

Correct Answer: ADE Section: (none) Explanation
QUESTION 171
Which functionality in the Cisco IDS software will enable a router to permanently act as a call agent for IP phones?
A. Cisco CallManage
B. Cisco CallManager Express (CME)
C. Cisco CallManager Gateway (CMG)
D. Cisco CallManager Voice Gateway (CMVG)
E. Media Gateway Control Protocol (MGCP)

Correct Answer: B Section: (none) Explanation
QUESTION 172
What is true about Quality of Service (QoS) for VPNs?
A. QoS preclassification is only supported on generic routing encapsulation (GRE) and IPsec VPNs.
B. QoS preclassification is not required in Layer 2 Tunneling Protocol (L2TP), Layer 2 Forwarding (L2F), and Point-to-Point Tunneling Protocol (PPTP) VPNs.
C. QoS preclassification is supported on IPsec AH VPNs, but not on IPsec ESP VPNs.
D. The QoS-for-VPNs feature (QoS preclassification) is designed for VPN transport interfaces.
E. With IPsec tunnel mode, the type of service (ToS) byte value is copied automatically from the original IP header to the tunnel header.

Correct Answer: E Section: (none) Explanation
QUESTION 173
Which three traffic descriptors are typically used as QoS markings for packets or frames entering the network? (Choose three.)
A. protocol type
B. cos
C. DSCP
D. IP precedence
E. destination address
F. input interface

Correct Answer: BCD Section: (none) Explanation
QUESTION 174
Refer to the exhibit.

What is the configuration an example of?
A. enabling modular QoS over Frame Relay
B. enabling Real-Time Transport Protocol (RTP) header compression
C. enabling distributed compressed Transmission Control Protocol
D. enabling latency and jitter reduction for Transmission Control traffic
E. enabling TCP header compression

Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 175
Which traffic descriptor is used for marking?
A. weighted RED (WRED) orange or green labels
B. modular QoS CU (MQC) application layer tags
C. Deficit Round Robin (DRR) precedence bits
D. header compression tags
E. MPLS experimental bits
F. FIFO Layer 2 descriptor labels (L2DL)

Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 176
Refer to the exhibit.

The auto discovery QoS command was configured on this interface 24 hours prior to the above configuration. Which statement is true about the configuration?
A. An IP address is needed on interface serial 1/2
B. The auto discovery qos command should be configured on the subinterface.
C. A generated AutoQoS policy has been applied to serial 1/2.
D. The collection of data has stopped.

Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 177
Refer to the exhibit.

On the basis of the configuration that is provided,which statement is true?
A. The Auto QoS policies will be attached to the interface.
B. Data about the network traffic will be collected via the use of NBAR-based protocol discovery,and the traffic on the network will be analyzed.
C. The class maps and policy maps will be created and installed on the basis of the information that is collected during the autodiscovery phase.
D. Templates will be created that will be used to create policy maps and class maps to configuer the QoS features on the network.

Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 178
Cisco provides two enhancements to 802.11 security which protect a WEP key from exploits. Which two technologies provide these security enhancements? (Choose two.)
A. 802.lx
B. Cisco Temporal Key Integrity Protocol (CKIP)
C. Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP- FAST)
D. Cisco Message Integrity Check (CMIC)
E. One-Time Passwords (OTP)
F. Advanced Encryption Standard (AES)

Correct Answer: BD Section: (none) Explanation
QUESTION 179
What is the maximum number of access points that can be supported from a single Wireless LAN Solution Engine (WLSE) console?
A. 1000
B. 1500
C. 2000
D. 2500
E. 3000
F. 3500
Correct Answer: D Section: (none) Explanation
QUESTION 180

1) Which DSCP value will the Branch router apply to voice traffic destined for the Central from the IP Phone on the local network?
A. 46 (ef)
B. 4B(vs6)
C. 50
D. 56(cs7)
E. 70
Answer: A
2) Which DSCP value will the Branch router apply to voice traffic destined for the IP Phone on the local network from the Central site?
A. 46 (ef]
B. 48(cs6)
C. 5
D. 56(cs7)
E. 70
Answer: B
3) Which QoS model has been implemented on the Branch router by the SDM wizard for the various expected traffic types?
A. Best Effort
B. IntServ
C. DiffServ
D. Priority Queuing
Answer: C
4) During periods of congestion which queuing method will be applied to outbound traffic on the Serial O/3/0 interface?
A. Low Latency Queuing
B. Class-based Weighted Fair Queuing
C. Weighted Round Robin
D. Round Robin
E. No queuing is applied to outbound traffic on this interface.
Answer: A
A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 181

1)

2) Which two statements most accurately identify what has caused the occasional poor video quality experienced by the Law Solutions, Inc.? (Choose two.)
A. Insufficient bandwidth is creating a bottleneck transiting from the FastEthernetG/O to the Serial O/3/0 interface.
B. Auto-Discovery did not have an opportunity to detect the video traffic.
C. AutoQoS was implemented an the incorrect interface
D. A policy matching DSCP value 46 (ef) was not applied on the outbound interface.
Answer: BD
3) Which QoS model has been implimented on the Branch router by Auto QoS for the various expected traffic types?
A. Best Effort
B. IntServ
C. DiffServ
D. Priority Queuing
Answer: C
4) During periods of congestion, haw has AutoQoS configured the router to facilitate outbound video traffic on the SerialO/3/0 interface?
A. Video traffic will be associated with the priority queue by using a DSCP value of 46 (ef}.
B. Video traffic will be associated with the AutoQaS-Signaling-SeO/3/0 class and its related policy through use of the H.323 protocol.
C. Video traffic will only be queued on the local FastEthernetO/0 interface using a DSCP value of 46 (ef).
D. Video traffic will be associated with the “class-default” and use WFQ.
Answer: D
A.

Correct Answer: Section: (none) Explanation
Explanation/Reference:
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QUESTION 131
When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?
A. platinum, gold, silver, and bronze
B. voice, gold, silver, and bronze
C. low delay, network critical, business, best effort
D. voice, video, background gold, background silver, and best effort
E. voice, video, best effort, and background F. voice, video, best effort, background, and scavenger

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 132
Refer to the exhibit. Which two statements are correct about the implementation of QoS across the WANs that are shown? (Choose two.)

A. QoS cannot be maintained across WAN A.
B. The service provider is not involved in providing QoS services in WAN A.
C. The service provider can provide QoS services through the cloud in WAN A.
D. QoS cannot be maintained across WAN B
E. The service provider is not involved in providing QoS services in WAN B.
F. The service provider can provide QoS services through the cloud in WAN B.

Correct Answer: BF Section: (none) Explanation
Explanation/Reference:
QUESTION 133
Refer to the exhibit. The network in the diagram has contracted with a service provider for the QoS levels that are shown. Which statement is correct about the QoS requirements for the campus and remote branch?

A. Because adequate levels of service are provided across the WAN, campus and remote branch QoS will not be required.
B. The enterprise campus can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.
C. The enterprise remote branch can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.
D. The enterprise campus plus the remote branch can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 134
Which of the items stated is typically the most expensive method of improving QoS across WAN links?
A. advanced queuing
B. data compression
C. header compression
D. increasing link capacity

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 135
Which three functions can an Integrated Services Router perform in a VoIP network? (Choose three.)
A. voice stream mixing for conference calling
B. voice gateway
C. call admission control
D. analog or digital phone interfaces
E. XML application services
F. large scale dial plan application

Correct Answer: BCD Section: (none) Explanation
Explanation/Reference:
QUESTION 136
Using the fewest commands possible, drag the commands on the left to the blanks on the right to configure and apply a QoS policy that guarantees that voice packets receive 20 percent of the bandwidth on the S0/1/0 interface.

Answer

A.

Correct Answer: A Section: (none) Explanation Explanation/Reference:
QUESTION 137
To configure Control Plan Policing(CoPP) to deny Telnet access only from 10.1.1.1, drag the commands on the left to the boxes on the right and place the commands in the proper order.

Answer

A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 138
Drag each descriptor on the left to the QoS model on the right to which the descriptor applies. Not all descriptors apply.

Answer

A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 139
Drag the wireless 802.1e priority level groupings on the left to the appropriate Wi-Fi Multimedia(WMM) access categories on the right.(Not all groupings will be used) Answer
A.
B.
C.
D.

Correct Answer: Section: (none) Explanation
Explanation/Reference:
QUESTION 140
Drag each term on the left to its time definition on the right. There will be one term unused.
A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 141
Add a new wireless LAN controller (WLC) to the WCS wireless management server. From the left, drag each procedure to its step sequence on the right.

Answer A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 142
Drag each wireless EAP authentication protocol above to its definition below.

Answer A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 143
Drag each WLSE feature above to its benefit below.

Answer: A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 144
Drag Drop Drag the steps required to convert compressed digital signals to analog signals to their correct order on the right.

Answer

A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference: QUESTION 145
Exhibit:

Answer:

A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 146
Hotspot Answer:

A.

Correct Answer: A Section: (none) Explanation
Explanation/Reference:
Questions:162 Topology
QUESTION 147
Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature (QoS pre-classify) provides packet classification and applies appropriate QoS service on tunnel interfaces? (Choose three.)
A. IP precedence bits
B. DSCP bits
C. Original port numbers
D. DE bits
E. Source IP address
F. Destination IP address

Correct Answer: CEF Section: (none) Explanation
Explanation/Reference:
QUESTION 148
Which two statements about Cisco AutoQoS are true? (Choose two.)
A. A QoS service policy must already be enabled on the interface before Cisco AutoQoS can be enabled.
B. Any interface at or below 1.54 Mbps is classified as a low-speed interface.
C. AutoQoS uses Cisco network-based application recognition (NBAR) to identify various applications and traffic types
D. Cisco Express Forwarding (CEF) must be enabled at the interface or ATM PVC.
E. Cisco NBAR is a prerequisite for CEF.
F. On a serial interface, before AutoQoS is enabled, the clock rate command must be used to specify a bandwidth other than the default 1.54Mbps.

Correct Answer: CD Section: (none) Explanation
Explanation/Reference: QUESTION 149
When a router converts analog signals to digital signals as part of the VoIP process, it performs
four steps.
Which set of steps contains the steps in their correct sequence?

A. encoding optional compression quantization sampling
B. encoding quantization optional compression sampling
C. optional compression encoding sampling quantization
D. optional compression sampling encoding quantization
E. sampling quantization encoding optional compression
F. sampling quantization optional compression encoding

Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 150
Question: 150
What are three staid Extensible Authentication Protocol (EAP) types? (Choose three.)

A. LEAP
B. EAP-FAST
C. EAP-TLS
D. EAP-AES
E. WEAP
F. WEP

Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 151
What are three benefits of the Wireless LAN Solution Engine (WLSE)? (Choose three.)
A. The decentralized nature of WLSE helps reduce the time and resources that are required to manage a large number of WLAN devices.
B. WLSE helps simplify large-scale deployments by providing automatic configuration of new APs.
C. WLSE minimizes security vulnerabilities by providing security policy misconfiguration alerts and rogue AP detection.
D. WLSE provides AP utilization and client association reports, features which help with capacity planning.
E. WLSE can respond to required changes that are requested by APs.
F. WLSE increases productivity through customization with three possible levels of managemen lightweight, extended, and advanced.

Correct Answer: BCD Section: (none) Explanation
Explanation/Reference:
QUESTION 152
What is link fragmentation and interleaving (LFI)?
A. LFI is a QoS mechanism that allots bandwidth and enables the differentiation of traffic according to a policy.
B. LFI is a Layer 2 technique in which header information is sent only at the beginning of the session, stored in a dictionary, and then referenced in later packets by a short dictionary index.
C. LFI is a Layer 3 technique in which header information is sent only at the beginning of the session, stored in a dictionary, and then referenced in later packets by a short dictionary index.
D. LFI is a Layer 2 technique in which large frames are broken into small, equal-sized fragments and transmitted over the link in an interleaved fashion.
E. LEI is a Layer 2 technique in which smaller fragments are combined into large, equal-sized frames, and transmitted over the link in an interleaved fashion.

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 153
Which two statements about packet marking at the data link layer are true? (Choose two.)
A. Through the use of DE markings, Frame Relay QoS supports up to 10 classes of service.
B. Frames maintain their class of service (CoS) markings when transiting a non-802.1p link.
C. IEEE 802.1p supports up to 10 class of service (CoS) markings.
D. In an 802.1q frame, the 3-bit 802.1p priority field is used to identify the class of service (CoS) priority.
E. The 802.1p CoS markings are preserved through the LAN, but are not maintained end to end.

Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 154
Which two wireless security statements are true? (Choose two.)
A. A TACACS+ server is required to implement 802.1x.
B. MIC protects against man-in-the-middle and replay attacks.
C. The 802.1x standard provides encryption services for wireless clients.
D. The AES (symmetric block cipher) is specified in the IEEE 802.11i specification.
E. The IEEE 802.11i specification uses RC4 as its encryption mechanism.
F. WPA requires TKIP and AES as encryption methods.

Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 155
Which two statements are true about traffic shaping and traffic policing? (Choose two.)
A. Both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP.
B. Both traffic shaping and traffic policing support the marking and re-marking of traffic.
C. The effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic.
D. Traffic shaping queues excess traffic whereas traffic policing discards excess traffic.
E. Traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate.

Correct Answer: CD Section: (none) Explanation
Explanation/Reference:
QUESTION 156
Which two queuing methods will allow a percentage of the available bandwidth to be allocated to each queue? (Choose two.)
A. First-in, first-out queuing (FIFO)
B. Priority queuing (PQ)
C. Custom queuing (CQ)
D. Weighted fair queuing (WFQ)
E. Class-based WFQ (CBWFQ)
F. Low latency queuing (LLQ)

Correct Answer: EF Section: (none) Explanation
Explanation/Reference:
QUESTION 157
Which classification tool can be used to classify traffic based on the HTTP URL?
A. Class-based policing
B. Policy-based routing (PBR)
C. Committed access rate (CAR)
D. Network-based application recognition (NBAR)
E. Dial peers

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 158
What three types of interfaces do voice gateways use to connect to analog interfaces? (Choose three.)
A. E and M
B. E1 CCS
C. FXS
D. FXO
E. serial
F. T1 CAS

Correct Answer: ACD Section: (none) Explanation
Explanation/Reference:

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