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NEW QUESTION 1

Which of the following BGP attributes can define a set of destination addresses with the public characteristics?

• A. origin
• B. Community
• C. A
• D. Path
• E. MED

Answer: B

NEW QUESTION 2

In most cases, optical power is expressed in dbm, which of the following values in dbm is supported by most optical transceiver devices to receive and identify data ?

• A. -30DBM
• B. -10DBM
• C. 10DBM
• D. 30DBM

Answer: A

NEW QUESTION 3

Compared with traffic policing, traffic shaping uses queues to cache the traffic that exceeds the limit which of the following statements regarding traffic shaping is false?

• A. Compared with traffic policing traffic shaping has good anti-burst capability
• B. Traffic shaping enables packets to be transmitted at an even rate
• C. Because queues are used the delay is added when congestion occurs.
• D. Compared with traffic policing traffic shaping is more suitable for voice service

Answer: D

NEW QUESTION 4

LDP uses Discovery messages to discover neighbors through different neighbor discovery mechanisms. Which of the following statements regarding basic discovery mechanisms are true? (Multiple Choice)

• A. The destination IP address of the LDP Discovery message is the multicast IP address 224.0.0.2
• B. The LDP Discovery message is sent to the specified LDP peer
• C. The LSR does not does not send Hello messages any longer after TCP connections are established
• D. The LDP Discovery message is encapsulated into a UDP packet and its destination port number is 646

Answer: AD

NEW QUESTION 5

On the DiffServ network, what is the main purpose of defining the service type of the EF classification?

• A. Preferentially guarantee the services that require short delay low packet loss low jitter and assured bandwidth
• B. Provide channels for packet forwarding
• C. Ensure bandwidth for specific traffic
• D. Ensure that packets are forwarded with the minimum delay

Answer: A

NEW QUESTION 6

Which of the following statements regarding virtual link is false?

• A. If a virtual link exists in a network design problems often exist and need to be optimized.
• B. The existence of virtual link increases network complexity
• C. Virtual link may lead to loops
• D. The interval for sending Hello packets on a virtual link is 10s

Answer: D

NEW QUESTION 7

The greatest difference between a Fat AP and a Fit AP provides access to more users, has higher performance, and is more applicable to large networks.

• A. TRUE
• B. FALSE

Answer: B

NEW QUESTION 8

Which of the following operations should be performed preferentially for telnet login failure troubleshooting?

• A. Check whether the client can ping the server
• B. Check whether the number of login users reaches the upper limit
• C. Check whether an ACL is configured in the VTY user interface view
• D. Check whether the access protocol is correctly configured VTY user interface view

Answer: A

NEW QUESTION 9

In static LACP mode, the active interfaces selected by devices at both ends must be the same, otherwise, a LAG cannot be set up active interfaces based on the Active side. So, in static LACP mode, how is the Active side be selected?

• A. The end with a smaller LACP system priority functions as the Active sid
• B. If the two ends have the same LACP system priority, the
• C. The end with a smaller MAC address is selected as the Active side.
• D. The end with a higher LACP system priority functions as the Active sid
• E. If the two ends have the same LACP system priority, the
• F. The end with a lower LACP system priority functions as the Active sid
• G. If the two ends have the same LACP system priority, the

Answer: D

NEW QUESTION 10

Which of the following statements regarding OSPF neighbor relationship and adjacency is true?

• A. OSPF routers must establish an adjacency before exchanging information.
• B. Not all neighbors can establish adjacencies.
• C. Adjacencies are maintained using OSPF Hello Protocol
• D. Neighbor relationships are selected from adjacencies to exchange routing information

Answer: B

NEW QUESTION 11

Which of the following statements regarding PIM-DM is false?

• A. PIM-DM stands for Protocol independent Multicast-Dense Mod
• B. It is a dense-mode multicast routing protocol.
• C. PIM-DM assumes that each subnet on a network has at least one receiver station interested in the multicast source.
• D. PIM-DM uses the graft mechanism to restore multicast packet forwarding proactively
• E. PIM-DM does not have periodic flood-prune processes

Answer: D

NEW QUESTION 12

How is CAPEX defined?

• A. Cost expenditure
• B. Capital expenditure
• C. One-time expenditure
• D. Daily expenditure

Answer: B

NEW QUESTION 13

Which of the following command is used to apply the traffic policy to an interface on an AR router?

• A. traffic-policy pi inbound
• B. traffic classifier pi inbound
• C. traffic behavior pi inbound
• D. services-policy pi inbound

Answer: A

NEW QUESTION 14

Which of the following statements regarding OSPF packets are true?

• A. An interface sends Hello packets immediately after being added to an OSPF area
• B. After receiving a LSA Update packet a router must send a LSAck packet for acknowledgement
• C. LSA Update packets carrying detailed LSAs are sent to synchronize the ISDB
• D. LSA Update packets are sent only when adjacencies are established

Answer: AC

NEW QUESTION 15

When the Hold Time parameter negotiated between two BGP peers is 0, no keepalive messages will be sent.

• A. True
• B. False

Answer: A

NEW QUESTION 16

The peer default-mute-advertise command is executed on a BGP muter to advertise
a default mute to neighboring routers. Which of the following statements regarding the change of local BGP muting table is true?

• A. An inactive default mute will be generated in the local BGP muting table, but this mute will not be delivered to the IP muting table
• B. An active default mute will be generated in the local BGP muting table and delivered to the IP muting table.
• C. No default mute will be generated in the local BGP muting table
• D. A default mute will be generated in the local BGP muting tabl
• E. Whether the default muting will be delivered to the IP muting table default

Answer: C

NEW QUESTION 17
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