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Question 1:

Enabling MD5 authentication between BGP peers can prevent DoS attacks that target BGP peers.

A. TRUE

B. FALSE

Correct Answer: A


Question 2:

Which of the following statements are correct regarding OSPF intra-area route calculation? (Select 2 answers)

A. Each OSPF router uses only one Router LSA to describe the local active link state for an area.

B. Each OSPF router uses more than one Router LSA to describe local active link state for an area.

C. One Router LSA describes only one link,

D. One Router LSA describes more than one link.

Correct Answer: AD


Question 3:

Which of the following is the address range assigned by IANA for SSM service in IPv4?

A. 232.0.0.0/24

B. 225.0.0.0/8

C. 232.0.0.0/8

D. 239.0.0.0/8

Correct Answer: D


Question 4:

Which of the following route entries match the IP-Prefix defined below? ip ip-prefix test index 10 permit 192.168.0.0 16 greater-equal 24 less-equal 28 (Select 2 answers)

A. 192.168.1.0/24

B. 192.10.2.0/24

C. 192.168.3.0/25

D. 192.168.4.0/30

Correct Answer: AC


Question 5:

Which of the following is the multicast distribution tree maintained by PIM-DM?

A. SFT

B. CBT

C. RFT

D. STP

Correct Answer: A


Question 6:

Which of the following attributes must exist in the BGP update messages? (Select 3 answers)

A. LOCAL_PREF

B. NEXT_HOP

C. ORIGIN

D. AS_PATH

Correct Answer: BCD


Question 7:

In OSPF protocol, Different types of networks cannot establish an adjacency with each other in the Full state.

A. TRUE

B. FALSE

Correct Answer: B


Question 8:

What does an IP address of 0.0.0.0 indicate?

A. Network address

B. Broadcast address of specially designated network segment

C. All networks

D. Broadcast address of all nodes of local network segment

Correct Answer: C


Question 9:

The unicast and multicast technologies are both outstanding in solving the problem of “single source, multiple destinations” in order to allow efficient P2MP data transmission.

A. TRUE

B. FALSE

Correct Answer: B


Question 10:

Which of the following connection types can a Router LSA describe? (Select 3 answers)

A. Point-to-point

B. Star

C. Transit

D. Virtual link

Correct Answer: ACD


Question 11:

BGP peers are automatically discovered by exchanging multicast packets.

A. TRUE

B. FALSE

Correct Answer: B


Question 12:

Which of the following describes the relationship between BGP and AS?

A. BGP only runs between ASs, and cannot run within an AS.

B. BGP is an EGP used by ASs to exchange routing information with other ASs.

C. BGP builds network topologies by exchanging link-state information between ASs.

D. BGP cannot run between ASs.

Correct Answer: B


Question 13:

If the subnet mask for Class A address is 255.255.240.0, how many bits are used for subnetting?

A. 4

B. 5

C. 9

D. 12

Correct Answer: D


Question 14:

When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP.

A. TRUE

B. FALSE

Correct Answer: A


Question 15:

Which of the following is a private AS number?

A. 65410-65535

B. 1-64511

C. 64512-65535

D. 64511-65535

Correct Answer: C


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