As shown in figure, Clent1, C lent2 and Clent3 are simultaneously clients of RR1. Ri introduces 10 routes. It is assumed that the RGP is configured correctly. The neighbor relationship has been established, how many route entries exist in the BGP routing table of the most clIient3?

• A.15
• B.20
• C.1
• D.10

Comment: *

Name: *

Email: *

Verification: *

According to the following information displayed on a router, which of the following are the causes of the failure in establishing an OSPF adjacency relationship?
OSPF error statistics:
1: Hello timer mismatch
0: Netmask mismatch
0: Bad checksum
0: Bad authentication type
0: Unknown neighbor
0: Extern option mismatch

• A.Hello packets are sent at different intervals.
• B.The area IDs are inconsistent.
• C.The IP address masks of the interfaces are inconsistent.
• D.The area types are inconsistent.

Comment: *

Name: *

Email: *

Verification: *

Which of the following are carried in the HTTP/1.1 response header?

• A.Status code
• B.Reason phrase
• C.Protocol version
• D.Response method

Comment: *

Name: *

Email: *

Verification: *

As shown in the figure, three switches SI, SN2, and SN3, where SN1 is the root bridge between S1 and SN2 Now that link support SN2 cannot receive the configuration BPDU sent by the root car, the administrator needs to configure which spanning tree protection mechanism to prevent the problem of link congestion?

• A.root protection
• B.BPD protection
• C.Anti-TC-BPDU attack
• D.Loop protection

Comment: *

Name: *

Email: *

Verification: *

Assume that BGP/MPLSIPVVPN, OSPF, LDP, and static routing protocols are already enabled on the PE router . Which of the following protocols need to enable GR on PE in order to get NSF functionality?
(Multiple choice questions).

• A.MPLS LDP
• B.Static circuit
• C.BGP
• D.OSPF

Comment: *

Name: *

Email: *

Verification: *