Pass4side Cisco CCNP Exam 642-892 v4.52
ccnp Composite : 642-892 Exam
Exam Number/Code: 642-892
Exam Name: Composite
VUE Code: 642-892
Questions Type: Multiple choice,
Exam : Cisco 642-892
Title :
Composite Exam
Update : Demo
1. Which two statements about 6to4 tunneling are accurate? (Choose two.)
A. Prepending a reserved IPv6 code to the hexadecimal representation of 192.168.0.1 facilitates 6to4
tunneling.
B. Each 6to4 site receives a /48 prefix in a 6to4 tunnel.
C. 2002::/48 is the address range specifically assigned to 6to4.
D. Prepending 0×2002 with the IPv4 address creates an IPv6 address that is used in 6to4 tunneling.
E. 6to4 is a manual tunnel method. Answer: BD
2. Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all routers in the network. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not. On the basis of outputs provided, what could be the cause of the problem?
A. Router R2 does not have an RP configured on the multicast network.
B. Router R2 does not see the upstream router R1 as a PIM neighbor.
C. Because of RPF failure, Router R2 does not forward multicast packets to Network B.
D. The multicast packets are sourced from a server with an unspecified IP address.
Answer: C
3. Based on the show ip route isis output on R1, which statement is true?
A. The i su 10.1.0.0/23 route is an ISIS external route.
B. The R1 ISIS router is an ASBR.
C. The i su 10.1.0.0/23 route is a suppressed route. D. The i su 10.1.0.0/23 route is a summary route.
E. The R1 ISIS router is an ABR that belongs to multiple ISIS areas.
F. The R1 ISIS router is performing route aggregation and is suppressing the more specific 10.1.0.0/23
prefix. Answer: D
4. Which statement is correct about 802.1Q trunking? A. Both switches must be in the same VTP domain.
B. The encapsulation type on both ends of the trunk does not have to match.
C. The native VLAN on both ends of the trunk must be VLAN 1. D. 802.1Q trunking can only be configured on a Layer 2 port.
E. In 802.1Q trunking, all VLAN packets are tagged on the trunk link, except the native VLAN. Answer: E
5. Which protocol allows for the automatic selection and simultaneous use of multiple available gateways
as well as automatic failover between those gateways?
A. IRDP
B. HSRP C. GLBP D. VRRP Answer: C
6. Refer to the exhibit. Which two problems are the most likely cause of the exhibited output? (Choose two.)
A. spanning tree issues
B. HSRP misconfiguration C. VRRP misconfiguration D. physical layer issues
E. transport layer issues
Answer: BD
7. Refer to the exhibit. A network administrator has configured DHCP services on the router as shown. DHCP clients connected to the FastEthernet0/0 interface are working properly. DHCP clients connected
to the FastEthernet0/1 interface are not receiving addresses. Which two statements contain recommendations that will solve the problem? (Choose two.)
A. The ip helperaddress 10.0.0.1 command should be issued so that the address can be added to the
FastEthernet0/0 configuration.
B. The ip helperaddress 10.0.0.1 command should be issued so that the address can be added to the
FastEthernet0/1 configuration.
C. A second DHCP pool for network 10.10.0.0/24 should be configured.
D. The network shown in the output under the ip dhcp pool Central command should be changed to network 10.10.0.0 with a mask of 255.255.255.0.
E. An ip dhcp excludedaddress global configuration command for network 10.10.0.0/24 should be issued.
Answer: CE
8. Which two statements about WLAN components are true? (Choose two.)
A. Cisco Aironet autonomous access points cannot be supported by the Cisco Unified Wireless Network.
B. Cisco Aironet lightweight access points cannot be supported by the Cisco Unified Wireless Network.
C. In the autonomous access point solution, control is provided by the Wireless Domain Services (WDS).
D. In the autonomous access point solution, control is provided by the WLAN controller.
E. In the lightweight access point solution, WLAN management is provided by the WLAN Solution Engine
(WLSE).
F. In the lightweight access point solution, WLAN management is provided by the WLAN Control System
(WCS). Answer: CF
9. Above is the output from show ip bgp neighbors command. What is line 21 stating about the BGP
connection?
A. the number of consecutive TCP connections to the specified remote neighbor
B. the number of times the router has established a TCP connection
C. the number of total TCP connections that the router has
D. the number of neighbors that the router has
Answer: B
10. Refer to the exhibit. Dynamic ARP inspection (DAI) is enabled on switch SW_A only. Both Host_A and
Host_B acquire their IP addresses from the DHCP server connected to switch SW_A. What would the outcome be if Host_B initiated an ARP spoof attack toward Host_A ?
A. The spoof packets will be inspected at the ingress port of switch SW_A and will be permitted.
B. The spoof packets will be inspected at the ingress port of switch SW_A and will be dropped.
C. The spoof packets will not be inspected at the ingress port of switch SW_A and will be permitted.
D. The spoof packets will not be inspected at the ingress port of switch SW_A and will be dropped. Answer: C
11. A router is running BGP and receives more than one route for a particular prefix. Assume all the routes
for this prefix have the same attributes. Which three path features would be reasons be for the router to
ignore some of the routes and not consider them as candidates for the best path? (Choose three.)
A. paths that are marked as synchronized in the show ip bgp output
B. paths that are marked as not synchronized in the show ip bgp output
C. paths for which the NEXT_HOP is accessible
D. paths for which the NEXT_HOP is inaccessible
E. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the
AS_PATH
F. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the
AS_PATH Answer: BDE
12. Refer to the exhibit. How will interface FastEthernnet0/1 respond when an 802.1xenabled client connects to the port?
A. The switch port will enable 802.1x portbased authentication and begin relaying authentication
messages between the client and the authentication server.
B. The switch port will disable 802.1x portbased authentication and cause the port to transition to the authorized state without any further authentication exchange.
C. The switch will cause the port to remain in the unauthorized state, ignoring all attempts by the client to authenticate.
D. The switch will uniquely authorize the client by using the client MAC address. Answer: B
13. Which EIGRP packet statement is true?
A. On highspeed links, hello packets are broadcast every 5 seconds for neighbor discovery.
B. On lowspeed links, hello packets are broadcast every 15 seconds for neighbor discovery. C. Reply packets are multicast to IP address 224.0.0.10 using RTP.
D. Update packets route reliable change information only to the affected routers.
E. Reply packets are used to send routing updates. Answer: D
14. Which three statements are true regarding the above diagram? (Choose three.)
A. A trunk link will be formed.
B. Only VLANs 11001 will travel across the trunk link. C. The native VLAN for Switch B is vlan 1.
D. DTP is not running on Switch A.
E. DTP packets are sent from Switch B. Answer: ACE
15. Which two statements are true about IBGP neighbor relationships? (Choose two.) A. An EGP or static routing is required between IBGP neighbors.
B. A fullmesh IBGP requires that neighbor relationships be established between all BGP enabled routers
in the autonomous system.
C. IBGP neighbors must be in different autonomous systems.
D. The BGP splithorizon rule specifies that routes learned via EBGP are never propagated to other IBGP
peers.
E. The BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP
peers. Answer: BE
16. Which statement is true about Protocol Independent Multicast Dense Mode (PIM DM) multicast routing?
A. PIM DM supports shared distribution trees.
B. If a port is pruned, the administrator must reenable the port to support multicast traffic.
C. The (S,G) state exists in every router, regardless of the presence of an RPF interface.
D. Flooding of traffic only occurs in the beginning stages of routing. Afterwards, all necessary ports are pruned and multicast traffic is not sent across those interfaces.
Answer: C
17. Which command displays statistics on EIGRP hello, updates, queries, replies, and acknowledgments?
A. debug eigrp packets
B. show ip eigrp traffic
C. show ip eigrp topology D. show ip eigrp neighbors Answer: B
18. Refer to the exhibit. All multilayer switches are running PIM dense mode. Recipient A and Recipient B
are sending IGMPv2 join messages to their respective multilayer switches. Which statement is true?
A. The Multicast Server is the root of the multicast tree. Switches 4 and 5 will participate in the multicast
tree once pruning has taken place.
B. The Multicast Server is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast tree once pruning has taken place.
C. Switch 3 is the root of the multicast tree. Switches 3,4, and 5 will participate in the multicast tree once
pruning has taken place.
D. Switch 1 is the root of the multicast tree. Switches 1,4, and 5 will participate in the multicast tree once pruning has taken place.
E. Switch 1 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast tree once
pruning has taken place.
F. Switch 3 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast tree once pruning has taken place.
Answer: B
19. Which statement is true about utilizing a data network for voice traffic?
A. Adding bandwidth to the data network is the primary solution to provide for the needs of voice traffic.
B. Because voice traffic volume cannot be calculated, network bandwidth requirements must be determined from an existing installation.
C. Voice traffic will require some form of QoS mechanisms in most networks.
D. Voice traffic will require some form of QoS implementation only in congested networks.
E. Network congestion must be totally eliminated to provide proper voice traffic performance. Answer: C
20. Refer to the exhibit. Routers R1 and R2 are running EIGRP and have converged. On the basis of the information that is presented, which statement is true?
A. All outgoing routing updates from router R1 to router R2 will be suppressed, but the inbound updates
will continue to be received.
B. All incoming routing updates from R2 will be suppressed, but the outgoing updates will continue to be sent.
C. Both outgoing and incoming routing updates on R1 will be stopped because of the passiveinterface
Serial0/0 configuration statement.
D. Both outgoing and incoming routing updates on R1 will be permitted because the distributelist 20 out
Serial0/0 command cannot be used with association with the outgoing interface. Answer: C
21. Identify three characteristics of EIGRP feasible successors? (Choose three.)
A. A feasible successor is selected by comparing the advertised distance of a nonsuccessor route to the feasible distance of the best route.
B. If the advertised distance of the nonsuccessor route is less than the feasible distance of best route,
then that route is identified as a feasible successor.
C. If the successor becomes unavailable, then the feasible successor can be used immediately without recalculating for a lost route.
D. The feasible successor can be found in the routing table.
E. Traffic will be load balanced between feasible successors with the same advertised distance. Answer: ABC
22. Which two statements are true about trust boundaries? (Choose two.)
A. Setting trust boundaries at the edge of the network allows intermediate hop devices to administer QoS
policies without detailed packet identification.
B. Trust boundaries are used to determine which QoS mechanism will be applied to the traffic.
C. At the trust boundaries, the untrusted traffic will be marked with a new QoS value appropriate for the policy in place at the point where the traffic entered the campus network.
D. Trust boundaries are configured in the core of the network to provide the most efficient forwarding
based upon QoS markings. Answer: AC
23. Refer to the exhibit. EIGRP is configured with the default configuration on all routers. Autosummarization is enabled on routers R2 and R3, but it is disabled on router R1. Which two EIGRP routes will be seen in the routing table of router R3? (Choose two.)
A. 10.0.0.0/8
B. 10.10.0.0/16
C. 10.10.10.0/24
D. 172.16.0.0/16
E. 172.16.0.0/24
F. 172.16.10.0/24
Answer: CD
24. Refer to the exhibit. On the basis of the information displayed in the exhibit, which statement is true?
A. Wireless clients will be successfully authenticated only if both their MAC address and EAP key match.
B. Wireless clients will be successfully authenticated only if their WEP key is configured as “adam”.
C. Wireless clients will first attempt to authenticate with MAC authentication and if this fails, EAP
authentication will be attempted.
D. Wireless clients will first attempt to authenticate with MAC authentication and if this succeeds, EAP
authentication will then be performed.
E. Wireless clients will attempt EAP authentication first, then MAC authentication.
Answer: C
25. In a comparison of an IPv4 header with an IPv6 header, which three statements are true? (Choose three.)
A. An IPv4 header includes a checksum. However, an IPv6 header does not include one.
B. A router has to recompute the checksum of an IPv6 packet when decrementing the TTL. C. An IPv6 header is half the size of an IPv4 header.
D. An IPv6 header has twice as many octets as an IPv4 header.
E. An IPv6 header is simpler and more efficient than an IPv4 header.
F. The 128bit IPv6 address makes the IPv6 header more complicated than an IPv4 header. Answer: ADE
26. Refer to the exhibit. On the basis of the output, what two conclusions can be reached? (Choose two.)
A. Three physical interfaces are taking part in integrated ISIS.
B. Address summarization is configured.
C. There are two neighboring routers sending ISIS routing information. D. The default administrative distance has been changed.
E. ISIS is not redistributing any other routing protocols.
F. ISIS is not enabled. Answer: CE
27. Refer to the exhibit. Which router configuration command can be given that will restrict router RTB
from sharing its routing information with router RTA?
A. the eigrp stub command on router RTA
B. the eigrp stub command on router RTB
C. the eigrp stub connected command on router RTA D. the eigrp stub connected command on router RTB
E. the eigrp stub receiveonly command on router RTA
F. the eigrp stub receiveonly command on router RTB Answer: F
28. A network administrator would like to configure an EIGRP router as a stub router that advertises
directly connected and summary routes only. What command must the administrator issue to accomplish
this?
A. eigrp stub
B. eigrp stub connected
C. eigrp stub summary
D. eigrp stub connected static E. eigrp stub receiveonly Answer: A
29. A Cisco Aironet Wireless LAN Adapter CB21AG is inserted into a PC cardbus slot. Both the green status LED and the amber activity LED are blinking slowly. What is the condition of the adapter?
A. The adapter is not receiving power.
B. The adapter is in power save mode.
C. The adapter is scanning for the wireless network for which it is configured. D. The adapter is associated to an access point or another client.
E. The adapter is transmitting or receiving data while associated to an access point or another client.
Answer: D
30. 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. Answer: BC
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