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Q61. Type 2-external route should always take precedence over a Type 1-external route.
A. TRUE
B. FALSE
Answer: B
Explanation:
Q62. Which of the following protocols support default route advertisement? (Select 3 answers)
A. RIP
B. OSPF
C. BGP
D. Static
Answer: A,B,C
Explanation:
Q63. Which of the following BGP attributes is an optional transitive attribute?
A. ORIGIN
B. AS_PATH
C. NEXT_HOP
D. MED
E. LOCAL_PREF
F. COMMUNITY
Answer: F
Explanation:
Q64. Which of the following statements about OSPF neighbor state transition are true? (Select 3
answers)
A. The neighbor state transitions from "Loading" to "Full" when a LoadingDone event occurs.
B. The neighbor state transitions from the "Exstart" to "full" when a Negotiation Done event
occurs.
C. The neighbor state transitions from the "Exchange" to "Full" when an ExchangeDone event occurs.
D. The neighbor state transitions from "Exchange" to "Loading when an ExchangeDone event occurs.
Answer: A,C,D
Explanation:
Q65. Which port number is used by BGP to establish a TCP connection?
A. 520
B. 89
C. 179
D. I80
Answer: C
Explanation:
Q66. How does community attribute of the BGP route set by routing policies affect route selection?
A. The Community attribute directly affects route selection because it must be compared during the route selection process.
B. The Community attribute does not affect route selection because it is non-transitive and cannot be transmitted between routers.
C. Routes are classified by the Community attribute which indirectly affects route selection. Different route attributes such as the Local-Preference and MED values can be set for routes in different communities.
Answer: C
Explanation:
Q67. Which of the following concepts should a network administrator know while using VLSM technology for subnetting? (Select 3 answers)
A. A subnet is composed of only summarized routes.
B. A subnet can address a host or be further subnetted.
C. The routing updates must carry subnet mask information.
D. The summarized networks must have the same high-order bit.
Answer: B,C,D
Explanation:
Q68. A company has four departments. Department A has 80 PCs, Departments B and C both have 20 PCs, and Department D has 30 PCs. Assuming the IP address 192.168.1.0/x is used, which of the following statements are true if the VLSM technology is employed for subnetting? (Select 2 answers)
A. Plan subnet 192.168.1.0/25 for Department A. The range of host addresses is 1 to 126.
B. Plan subnet 192.168.1.128/27 for Department B. The range of host addresses is 129 to 159.
C. Plan subnet 192.168.1.160/27 for Department C. The range of host addresses is 161 to 190.
D. Plan subnet 192.168.1.192/27 for Department D. The range of host addresses is 192 to 222.
Answer: A,C
Explanation:
Q69. hich of the following commands is used to display the IGMP routing table?
A. display igmp group
B. display igmp interface
C. display igmp routing-table
D. display igmp
Answer: C
Explanation:
Q70. Which of the following subnet masks can be used to divide a Class C network into 5 subnets, with each subnet containing a maximum of 20 hosts?
A. 255.255.255.192
B. 255.255.255.240
C. 255.255.255.224
D. 255.255.255.248
Answer: C
Explanation:
Q71. RTA and RTB are interconnected through a FE interface in an OSPF area. Which of the following can be used to configure the link cost between RTA and RTB as 10? (Select 2 answers)
A. Use command "ospf cost 10" on the two routers
B. Use command "ospf cost 5" on the two routers
C. Use command "bandwidth-reference 500" on the two routers to change bandwidth-reference value
D. Use command "bandwidth-reference 1000" on the two routers to change bandwidth-reference value
Answer: A,D
Explanation:
Q72. An OSPF neighbor relationship fails to establish and the OSPF error information is displayed as follows. Which of the following is most likely the cause?
A. Router IDs conflict.
B. Area IDs are mismatched.
C. Network masks are inconsistent.
D. Authentication types are inconsistent.
Answer: A
Explanation:
Q73. If the default-route-advertise command is used to advertise a default BGP route to peers, how will this operation affect the local BGP routing table?
A. An inactive default route will be generated in the local BGP routing table which will not be delivered to the IP routing table.
B. An active default route will be generated in the local BGP routing table which will be delivered to the IP routing table.
C. The local BGP routing table will not be affected and no default route will be generated.
D. A default route will be generated in the local BGP routing table. Whether this route is delivered to the IP routing table depends on route selection results.
Answer: C
Explanation:
Q74. Which of the following are well-known communities attributes? (Select 3 answers)
A. NO_EXPORT (OxFFFFFF0l)
B. N0_ADVERT1SE (0xFFFFFF02)
C. NO_EXPORT_SUBCONFED
D. AS (2Byte): Number (2Byte)
Answer: A,B,C
Explanation:
214. Which of the following statements regarding DR in PIM protocol are true? (Select 3 answers)
A. In DR election, the router with the lowest IP address is elected among the routers of the same DR priority..
B. A source's DR sends Register messages to an RP.
C. A receiver's DR is sends Join messages to a multicast source or an RP.
D. An Assert winner on a shared network segment may not be a DR.
Answer: B,C,D
Explanation:
Q75. When a routing protocol import routes discovered by other routing protocols, it must import only the routes that meet the conditions and set attributes for the imported routes. In such a case, a route-policy can be created.
A. TRUE
B. FALSE
Answer: A
Explanation:
199. Which of the following protocols support the multicast ASM service model? (Select 2 answers)
A. PIM-SM and IGMFV2
B. PIM-SSM and IGMPv3
C. BGPandOSPF
D. PIM-DM and IGMPv2
Answer: A,D
Explanation: