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Exam A
QUESTION 1
The Dev-1 and Dev-3 routers are OSPF neighbors over the Ethernet 0/0 connection. Based on the show ip ospf neighbor output from the Dev-1 and Dev-3 routers, which statement is true?
A. Dev-1 is the DR because it has a higher OSPF router priority.
B. Dev-1 is the DR because it has a lower OSPF router ID.
C. Dev-3 is the DR because it has a higher OSPF router priority.
D. Dev-3 is the DR because it has a lower OSPF router ID.
E. Both Dev-1 and Dev-3 are using the default OSPF router priority.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 2
Refer to the exhibit. Router RA is not able to ping the loopback Lo0 on router RB. What could the problem be?
A. The loopback addresses have different subnet masks.
B. Router RA is using RIP version 1 while Router RB is using RIP version 2.
C. Router RA is using plain text authentication while Router RB is using encrypted authentication.
D. MD5 authentication is not possible with RIP.
E. The key strings do not match.
F. The key chains do not match.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 3
When the BGP path selection process is being performed on a Cisco router, which BGP attribute is used first when determining the best path?
A. local preference
B. MED
C. weight
D. origin
E. next-hop
F. AS-path
Correct Answer: C Section: (none) Explanation Explanation/Reference:
QUESTION 4
Which two are characteristics of the IS-IS protocol but not OSPF? (Choose two.)
A. provides for network scalability by allowing the network to be separated into areas
B. provides routing support for multiple network layer protocols
C. three layers of hierarchical routing
D. utilizes SPF algorithm
E. forms adjacencies with all neighbors
F. supports demand circuit routing
Correct Answer: BE Section: (none) Explanation
Explanation/Reference:
QUESTION 5
Which three characteristics apply to IS-IS but not to OSPF? (Choose three.)
A. encapsulates PDUs directly into a data-link frame
B. uses a DIS and a backup DIS to present the psuedo-node on the LAN
C. uses stubby areas to improve network scalability
D. uses a default IOS metric of 10 on each interface
E. runs PRC (Partial Route Calculations) to calculate IP reachability information
F. uses an on-demand circuit to reduce the hello and LSA flooding across switched WAN links, such as ISDN
Correct Answer: ADE Section: (none) Explanation
Explanation/Reference:
QUESTION 6
What are two routing protocols defined by the OSI protocol suite at the network layer? (Choose two.)
A. End System-to-End System
B. Routing Information Protocol
C. Interior Gateway Routing Protocol
D. End System-to-Intermediate System
E. Intermediate System-to-Intermediate System
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 7
Refer to exhibit. BGP is configured on all routers, synchronization is turned off, and none of the default attributes have been changed except the local preference attribute on R4. Which path will be preferred by R2 to reach the network 100.100.100.0/24?
A. R2 – R3 – R4 – R5 because it has a lower admin distance
B. R2 – R3 – R4 – R5 because it has a higher local preference
C. R2 – R1 because it has the shortest AS-path
D. R2 – R1 because it has a lower local preference
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 8
Router E is configured with the EIGRP variance 2 command. What path will Router E take to reach Router A?
A. only E-D-A
B. only E-B-A
C. only E-C-A
D. both E-B-A and E-C-A
E. both E-B-A and E-D-A
F. all available paths.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 9
LAB
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 10
Drag Drop question
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 11
Router RTA is configured as follows:RTA (config)#router ripRTA(config-router)#network 10.0.0.0RTA(config-router)#distribute-list 44 in interface BRI0 RTA(config-router)#exitRTA(config)#access-list 44 deny 172.16.1.0 0.0.0.255RTA(config)#access-list 44 permit anyWhat are the effects of this RIP configuration on router RTA? (Choose two.)
A. no routing updates will be sent from router RTA on interface BRI0 to router RTX
B. router RTA will not advertise the 10.0.0.0 network to router RTX
C. the route to network 172.16.1.0 will not be entered into the routing table on router RTA
D. user traffic from the 172.16.1.0 network is denied by access-list 44
E. the routing table on router RTA will be updated with the route to router RTW
Correct Answer: CE Section: (none) Explanation
Explanation/Reference:
QUESTION 12
Which three statements about IS-IS are true? (Choose three.)
A. L1 routers have no knowledge about routes outside their area.
B. L1/L2 routers maintain a separate Level 1 link-state database and a Level 2 link-state database; they do not advertise L2 routes to L1 routers.
C. To route packets to another area, L1 routers must forward the packets to the L2 router of the destination area.
D. To route packets to another area, L1 routers must forward the packets to an L1/L2 router within their area.
E. L2 routers form adjacencies with L1 and L1/L2 neighbors.
Correct Answer: ABD Section: (none) Explanation
Explanation/Reference:
QUESTION 13
Which three types of OSPF route entries can be found in the routing table of an internal OSPF router within an OSPF stubby area? (Choose three.)
A. O
B. O IA
C. O* IA
D. O E1
E. O E2
F. O N1
Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 14
You have an address range of 172.16.20.192 to 172.16.20.223. Which two configuration commands are used in configuring the area 3 border router for network summarization? (Choose two.)
A. network 172.16.20.192 0.0.0.31 area 3
B. area 3 range 172.16.20.192 172.16.20.223
C. area 3 range 172.16.20.192 255.255.255.224
D. network 172.16.20.192 255.255.255.224 area 3
Correct Answer: AC Section: (none) Explanation
Explanation/Reference:
QUESTION 15
Refer to the exhibit. What is the correct configuration to enable router P4 to exchange RIP routing updates with router P1 but not with router P3?
A. P4(config)# interface fa0/0P4(config-if)# neighbor 192.168.10.3P4(config-if)# passive-interface fa0/0
B. P4(config)# router ripP4(config-router)# neighbor 192.168.10.3P4(config-router)# passive-interface fa0/0
C. P4(config)# interface fa0/0P4(config-if)# neighbor 192.168.10.3P4(config-if)# passive-interface
192.168.10.34
D. P4(config)# router ripP4(config-router)# neighbor 192.168.10.34 no broadcastP4(config-router)# passive-interface fa0/0
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 16
Which three are characteristics of IPv6? (Choose three.)
A. An IPv6 address is 128 bits long.
B. An IPv6 header is 20 bits long.
C. An IPv6 header contains the next header field.
D. An IPv6 header contains the protocol field.
E. IPv6 routers send RA messages.
F. An IPv6 header contains the header checksum field.
Correct Answer: ACE Section: (none) Explanation
Explanation/Reference:
QUESTION 17
Which address type does the IPv6 address FF05:0:0:0:0:0:0:2 specify?
A. unspecified
B. aggregable global unicast
C. link local
D. site local unicast
E. multicast
Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 18
LAB Correct Answers: Portland# conf t Portland(config)# router ospf 1 Portland(config-router)# network 192.168.5.4 0.0.0.3 area 1 Portland(config-router)# area 1 stub Portland(config-router)# end Portland# copy run start
Indianapolis# conf t Indianapolis(config)# router ospf 1 Indianapolis(config-router)# network 192.168.5.4 0.0.0.3 area 1 Indianapolis(config-router)# area 1 stub no-summary Indianapolis(config-router)# end Indianapolis# copy run start
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 19
Which IS-IS NET represents a locally administered private address?
A. 39.0040.0010.0c99.1112.00
B. 45.0004.0000.0d35.4554.00
C. 47.0010.0000.0a11.3564.00
D. 49.0001.0000.0c12.3456.00
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 20
Which two statements are true concerning IPv6? (Choose two.)
A. Mobile IP is built into IPv6 by default.
B. The leading zeros in an address format are mandatory.
C. Like IPv4, IPv6 broadcasts are sent to all nodes on a LAN segment.
D. IPSec is mandatory and built into IPv6.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
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