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NEW QUESTION NO: 7
If PPP authentication fails, which type of packet will be sent to the authenticated peer by the authenticator?
A. Authenticate-Ack
B. Authenticate-Reject
C. Authenticate-Nak
D. Authenticate-Reply
Answer: C

NEW QUESTION NO: 8
A network administrator recently used tracert to trace the path to the destination IP address of an external website, however the trace path displayed only a timeout result.
Which of the following statements correctly explains the reason for this? (Choose two)
A. The gateway cannot find a route to the destination.
B. This destination IP address does not exist.
C. This is a normal phenomenon.
D. The source router had shutdown the ICMP function.
Answer: A,B

NEW QUESTION NO: 9
What functions does a Hello packet of OSPF implement? (Choose two)
A. Maintaining of neighbor relationships
B. Neighbor discovery
C. Deletion of unreachable neighbors
D. Negotiation of parameters among adjacent ports
Answer: A,B

NEW QUESTION NO: 10
The administrator wishes to change name of the router. Under which view should the administrator be in order to achieve this?
A. Protocol-view
B. Interface-view
C. System-view
D. User-view
Answer: C

NEW QUESTION NO: 11
Which of the following mechanisms are used for flow control? (Choose three)
A. Acknowledgement
B. Buffering
C. Source quench messages
D. Windowing
Answer: B,C,D

NEW QUESTION NO: 12
According to the default value of route preference on the VRP platform, which of the following represent the correct sequence for direct route, static route, RIP and OSPF if they are listed from high preference to low preference?
A. Direct, Static, RIP, OSPF
B. Direct, OSPF, Static, RIP
C. Direct, OSPF, RIP, Static
D. Direct, RIP, Static, OSPF
Answer: B

NEW QUESTION NO: 13
An Ethernet port can work one of three duplex modes, whereas an Optical Ethernet port only supports one single mode.
Which of the following represents this mode?
A. Simplex
B. Full-duplex
C. Auto-negotiation
D. Half-duplex
Answer: B

NEW QUESTION NO: 14
In a network supporting IPv6, OSPF no longer supports which feature?
A. Router-ID
B. authentication
C. multiple areas
D. multicast updates
Answer: B

NEW QUESTION NO: 15
On VRP platform, which of the following parameters can be used together with the "ping" command to specify the source address of an echo request message?
A. S
B. D
C. N
D. A
Answer: D

NEW QUESTION NO: 16
The users who log on the router through Telnet are not permitted to configure IP address.
What is the possible reason?
A. SNMP parameters are set incorrectly.
B. Privilege level of Telnet is set incorrectly.
C. The authentication mode of Telnet is set incorrectly.
D. Communication failures occur between the user and the router.
Answer: B

NEW QUESTION NO: 17
How many probe packets are sent for each TTL value by default when "tracert" is used to detect the path along which packet is sent from source to destination?
A. 4
B. 6
C. 8
D. 3
Answer: D