How To Pass Cisco 642-892 Exam Easily? The 100% valid Flydumps latest Cisco 642-892 question answers ensure you 100% pass! Free download more Cisco 642-892 new PDF format updated exam questions on Flydumps.com.
Exam A
QUESTION 1
If no metric is specified for the routes being redistributed into IS-IS, what metric value is assigned to the routes?
A. 0
B. 1
C. 10
D. 20
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 2
2. Which three restrictions apply to OSPF stub areas? (Choose three.)
A. No virtual links are allowed.
B. The area cannot be a backbone area.
C. Redistribution is not allowed unless the packet is changed to a type 7 packet.
D. The area has no more than 10 routers.
E. No autonomous system border routers are allowed.
F. Interarea routes are suppressed.
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference:
QUESTION 3
3. Refer to the exhibit. Which two statements are true about the partial configuration that is provided. (Choose two.)
A. All the configured neighbors are in autonomous system 100.
B. The peer group shortens the IBGP configuration.
C. The peer group shortens the EBGP configuration.
D. Only the outgoing filters are applied to BGP updates.
E. Three AS-path filters are applied to each BGP neighbor.
Correct Answer: AB Section: (none) Explanation
Explanation/Reference:
QUESTION 4
Refer to the exhibit. Which two statements are correct? (Choose two.)
A. All six routes will be installed in the routing table.
B. Two routes will be installed in the routing table.
C. Four routes will be installed in the routing table.
D. All the routes were redistributed into BGP from an IGP.
E. All the routes were originated by BGP with the network command.
Correct Answer: CD Section: (none) Explanation
Explanation/Reference:
QUESTION 5
Which three IP multicast related statements are true? (Choose three.)
A. Multicast addresses 224.0.1.0 through 238.255.255.255 are called globally scoped addresses. They are used to multicast data between organizations and across the Internet.
B. The multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol (NTP) by the IANA.
C. Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organization.
D. Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPF .
E. Multicast addresses 224.0.0.0 through 224.0.0.255 are used for network protocols on local LAN segments. Because they are always transmitted with a Time to Live (TTL) of 1, they are never forwarded by a router.
Correct Answer: ACE Section: (none) Explanation
Explanation/Reference:
QUESTION 6
Which three IP multicast address related statements are true? (Choose three.)
A. Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1.
B. Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.
C. Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and IGMPv3.
D. Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used together.
E. Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA.
F. The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses.
Correct Answer: CEF Section: (none) Explanation
Explanation/Reference:
QUESTION 7
Which three IP multicast group concepts are true? (Choose three.)
A. If a packet is sent to a multicast group address, all members of the multicast group will receive it.
B. If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.
C. A router does not have to be a member of a multicast group to receive multicast data.
D. A router does not have to be a member of a multicast group to send to the group.
E. A router must be a member of a multicast group to receive multicast data.
F. A router must be a member of a multicast group to send to the group.
Correct Answer: ADE Section: (none) Explanation
Explanation/Reference:
QUESTION 8
Which two multicast protocol statements are true? (Choose two.)
A. Dense mode multicast requires explicit join messages from their members.
B. Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic.
C. Sparse mode multicast uses a pull model to send multicast traffic to where it is requested.
D. Sparse mode uses reverse path forwarding (RPF) to prune off redundant flows.
E. The primary use of sparse mode multicast is for test labs and router performance testing.
Correct Answer: BC Section: (none) Explanation
Explanation/Reference:
QUESTION 9
Refer to the exhibit. Which statement is true about a voice VLAN?
A. Physically the voice network and the data network are separate.
B. The voice traffic will normally be on a different IP subnet than will the data traffic.
C. End user intervention is necessary to place the phone into the proper VLAN.
D. The same security policy should be implemented for both voice and data traffic.
E. The data VLAN must be configured as the native VLAN.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 10
Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos
A. Effectively the trust boundary has been moved to the IP phone.
B. The host is now establishing the CoS value and has effectively become the trust boundary.
C. The switch is rewriting packets it receives from the IP phone and determining the CoS value.
D. The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set the CoS.
E. RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 11
Which three WLAN statements are true? (Choose three.)
A. A lightweight AP receives control and configuration from a WLAN controller to which it is associated.
B. A WLAN client that is operating in half-duplex mode will delay all clients in that WLAN.
C. Ad hoc mode allows mobile clients to connect directly without an intermediate AP.
D. Another term for infrastructure mode is independent service set (IBSS).
E. The Aironet 1230 access point is an example of an access point that operates solely as a lightweight access point.
F. WLANs are designed to share the medium and can easily handle an increased demand of channel contention.
Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 12
Which statement is true about IP telephony calls?
A. A Voice over IP (VoIP) packet consists of the voice payload, IP header, TCP header, RTP header, and Layer 2 link header.
B. The voice carrier stream uses H.323 to set up, maintain, and tear down call endpoints.
C. Call control signaling uses Real-Time Transport Protocol (RTP) packets that contain actual voice samples.
D. The sum of bandwidth necessary for each major application, including voice, video, and data, should not exceed 75 percent of the total available bandwidth for each link.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 13
Which three statements are true about the voice VLAN feature on a Catalyst 2950 switch? (Choose three.)
A. The CoS value is trusted for 802.1p or 802.1q tagged traffic.
B. The voice VLAN feature is disabled by default.
C. The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.
D. When the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoS priority of the port.
E. PortFast is automatically disabled when a voice VLAN is configured.
F. The default CoS value for incoming traffic is set to 0.
Correct Answer: BDF Section: (none) Explanation
Explanation/Reference:
QUESTION 14
Which two Aironet enterprise solution statements are true? (Choose two.)
A. A Cisco Aironet AP handles the transmission of beacon frames and also handles responses to probe-request frames from clients.
B. A Cisco Aironet solution includes intelligent Cisco Aironet access points (APs) and Cisco Catalyst switches.
C. In the Cisco Aironet solution, each AP is locally configured by the use of either a web interface or the command line interface.
D. The Cisco Aironet AP handles real-time portions of the LWAPP protocol, and the WLAN controller handles those items which are not time sensitive.
E. Virtual MAC architecture allows the splitting of the 802.11 protocol between the Cisco Aironet AP and a LAN switch.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 15
Which statement about the Lightweight Access Point Protocol (LWAPP)is true?
A. LWAPPencrypts control traffic between the AP and the controller.
B. LWAPPencrypts user traffic with a x.509 certificate using AES-CCMP .
C. LWAPPencrypts both control traffic and user data.
D. When set to Layer 3, LWAPPuses a proprietary protocol to communicate with the Cisco Aironet APs.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 16
Refer to the exhibit. Which three statements accurately describe this GLBP topology? (Choose three.)
A. RouterA is responsible for answering ARP requests sent to the virtual IP address.
B. If Router A becomes unavailable, Router B will forward packets sent to the virtual MAC address of Router A.
C. If another router were added to this GLBP group, there would be two backup AVGs.
D. Router B is in GLBP listen state.
E. Router A alternately responds to ARP requests with different virtual MAC addresses.
F. Router B will transition from blocking state to forwarding state when it becomes the AVG.
Correct Answer: ABE Section: (none) Explanation
Explanation/Reference:
QUESTION 17
Refer to the exhibit. Which Virtual Router Redundancy Protocol (VRRP) statement is true about the roles of the master virtual router and the backup virtual router?
A. RouterA is the master virtual router, and Router B is the backup virtual router. When Router A fails, Router B will become the master virtual router. When Router A recovers, Router B will maintain the role of master virtual router.
B. Router A is the master virtual router, and Router B is the backup virtual router. When Router A fails, Router B will become the master virtual router. When Router A recovers, it will regain the master virtual router role.
C. Router B is the master virtual router, and Router A is the backup virtual router. When Router B fails, Router A will become the master virtual router. When Router B recovers, Router A will maintain the role of master virtual router.
D. Router B is the master virtual router, and Router A is the backup virtual router. When Router B fails, Router A will become the master virtual router. When Router B recovers, it will regain the master virtual router role.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 18
Which issue or set of issues does the Lightweight Access Point Protocol (LWAPP)address?
A. reduction of processing in wireless controllers
B. distributed approach to authentication, encryption, and policy enforcement
C. provides security by blocking communication between access points and wireless clients
D. access point discovery,information exchange, and configuration
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 19
Refer to the exhibit. When a profile is configured in the Aironet Desktop Utility, which security option permits the configuration of host-based Extensible Authentication Protocol (EAP)?
A. WPA/WPA2/CCKM
B. WPA/WPA2Passphrase
C. 802.1x
D. Pre-Shared Key (Static WEP)
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 20
Refer to the exhibit. Which statement is true about where trust boundaries should be established in a network?
A. Endpoint 1 is the only acceptable place to establish a trust boundary.
B. Endpoint 1 is the optimal place to establish a trust boundary.Endpoints 2 and 3 are acceptable places to establish a trust boundary.
C. Endpoint 2 is the only acceptable place to establish a trust boundary.
D. Endpoint 2 is the optimal place to establish a trust boundary.Endpoints 1 and 3 are acceptable places to establish a trust boundary.
E. Endpoints 1 and 2 are optimal places to establish a trust boundary. Endpoint 3 is an acceptable place to establish a trust boundary.
F. Endpoints 2 and 3 are optimal places to establish a trust boundary. Endpoint 1 is an acceptable place to establish a trust boundary.
Correct Answer: E Section: (none) Explanation
Explanation/Reference:
Cisco 642-892 Exam Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques.“Do I Know This Already?”quizzes open each chapter and allow you to decide how much time you need to spend on each section.Cisco 642-892 lists and Foundation Summary tables make referencing easy and give you a quick refresher whenever you need it.Challenging Cisco 642-892 review questions help you assess your knowledge and reinforce key concepts.Cisco 642-892 exercises help you think about exam objectives in real-world situations, thus increasing recall during exam time.