Question 1

Which of the following statements about a neighbor state machine is true?

Accepted Answer

A)   The Attempt state appears only on an NBMA network or a broadcast network.
B)   The Attempt state appears only on an NBMA network or a P2MP network.
C)   LSR packets can be sent in the Exchange state.
D)   The Full state indicates that LSDB synchronization is complete. No LSDB information will be exchanged.E) B) and D)
F) B) and C)

Question 2

Refer to the graphic. The host has a problem establishing a telnet connection with the router attached to interface G0/0/0. Which of the following steps can be used to help the administrator identify the problem? (Choose two)

Accepted Answer

A)   Check whether the host has configured the gateway IP address.
B)   Check whether the switch has configured the gateway IP address.
C)   Use the ping tool to check connectivity between host and router.
D)   Check the telnet server configuration is right on the router.E) B) and D)
F) B) and C)

Question 3

What is the maximum number of bits that can be used for subnetting, when the netork address is a Class C address?

Accepted Answer

A)   6
B)   8
C)   12
D)   14E) A) and C)
F) A) and B)

Question 4

Which of the following network link type is not the basic network link type defined in OSPF?

Accepted Answer

A)   P2P
B)   P2MP
C)   Broadcast
D)   Virtual linkE) A) and B)
F) A) and C)

Question 5

Which of the following statements regarding stub areas is false?

Accepted Answer

A)   An AS-external-LSA cannot be advertised into a stub area.
B)   The ABR in the stub area generates a default route to enable packet forwarding destined for other areas.
C)   Transit area cannot be a stub area.
D)   Any area can be configured as a Stub area.E) None of the above
F) B) and D)

Question 6

Which of the following are routed protocols? (Choose two)

Accepted Answer

A)   IP
B)   OSPF
C)   BGP
D)   IPXE) All of the above
F) A) and D)

Question 7

Which statement about OSPF is false?

Accepted Answer

A)   Hello messages are used as a form of greeting to discover other routers on its networks and establish relationships between neighboring devices. On broadcast or NBMA networks, Hello messages can also be used to elect a DR or a BDR.
B)   DD packets describe the summary LSDB information by carrying LSA headers.
C)   The intervals at which two routers send Hello messages must be consistent; otherwise, cannot be established relationships between neighboring devices.
D)   DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.E) C) and D)
F) A) and B)

Question 8

Refer to the configuration output. Following configuration, a host is connected to the interface Gigabit Ethernet 0/0/1 of the router. Which IP address will the client obtain?

Accepted Answer

A)   An IP address from network 10.10.10.0/24 will be assigned.
B)   An IP address from network 10.20.20.0/24 will be assigned.
C)   The host will be unable to obtain an IP address.
D)   An IP address may be assigned from either 10.10.10.0/24 or 10.20.20.0/24.E) A) and D)
F) None of the above

Question 9

The ABR in a Totally Stubby area will not advertise Type-3, Type-4, and Type-5 LSAs into the Totally Stubby area. Instead, the ABR will advertise a default route to the Totally Stubby area enabling packet forwarding to other destinations.

Accepted Answer

A) True 
 B)False

Question 10

The IPv6 address achitecture does not include which of the following address types?

Accepted Answer

A)   unicast
B)   multicast
C)   broadcast
D)   anycastE) A) and D)
F) A) and C)

Question 11

The route selection tool   route-policy" can set and filter BGP attributes based on pre-defined conditions. Therefore, this tool is often used to define policies towards a BGP peer or during route generation.

Accepted Answer

A) True 
 B)False

Question 12

How does an IGMP router maintain group memberships on a network? (Select 2 answers)

Accepted Answer

A)   The router maintains a timer for each group membership which it refreshes for hosts that send report messages and deletes the group membership of hosts that do not.
B)   The router periodically sends Query messages. After a receiver host receives the Query message, the receiver host sends a Report message.
C)   A receiver host periodically sends a Report message.
D)   The router deletes a group membership only when it receives a Leave message for this group.E) A) and C)
F) B) and C)

Question 13

The bandwidth-reference parameter is measured in Mbit/s.

Accepted Answer

A) True 
 B)False

Question 14

How many multicast IP addresses can be represented by an IP multicast MAC address?

Accepted Answer

A)   1
B)   23
C)   32
D)   24E) All of the above
F) A) and D)

Question 15

Which of the following storage devices is used to store the startup configuration files in a router?

Accepted Answer

A)   SDRAM
B)   NVRAM
C)   Flash
D)   BootROME) None of the above
F) B) and C)

Question 16

The administrator cannot use telnet to manage the AR2200. The administrator is able to verify connectivity to the router and has been informed that other administrators have no difficulties using telnet. Which statements describe the possible reasons for this problem? (Choose two)

Accepted Answer

A)   The user's status has been blocked
B)   The user's privilege level has been changed to 0.
C)   The user has been deleted.
D)   The telnet service in the AR2200 router has been disabled.E) All of the above
F) C) and D)

Question 17

What does the IP-prefix-filter "ip ip-prefix test index 10 deny 0.0.0.0 0 less-equal 32" mean?

Accepted Answer

A)   Matching only default routes
B)   Matching all routes
C)   Denying only default routes
D)   Denying all routesE) A) and C)
F) A) and D)

Question 18

Assume that the following commands are run to configure BGP timer keepalive 30 hold 90 peer 1.1.1.2 timer keepalive 10 hold 30 Which statements regarding the configuration are true? (Select 2 answers)

Accepted Answer

A)   A global configuration is preferred. Therefore, the timer values for peer 1.1.1.2 are "keepalive 30 hold 90."
B)   A peer configuration is preferred. Therefore, the timer values for peer 1.1.1.2 are "keepalive 10 hold 30."
C)   The smaller value between the global and peer timer values is chosen. Therefore, the timer values for peer 1.1.1.2 are "keepalive 10 hold 30".
D)   The default configuration is "timer keepalive 60 hold 180." Therefore, peer 1.1.1.2 can detect connection faults faster than the default configuration.E) B) and D)
F) All of the above

Question 19

Which of the following statements regarding the Reverse Path Forwarding (RPF)  mechanism are true? (Select 2 answers)

Accepted Answer

A)   Multicast RPF does not depend on unicast routing.
B)   All multicast protocols adopt the RPF mechanism.
C)   A router discards the received multicast packets if the RPF check fails.
D)   The RPF mechanism has two functions:  It prevents multicast routing loops and the forwarding of redundant multicast packets.E) All of the above
F) B) and C)

Question 20

Only Router-LSAs and Network-LSAs are involved in intra-area route calculations.

Accepted Answer

A) True 
 B)False

Exam 3: HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

The administrator cannot use telnet to manage the AR2200. The administrator is able to verify connectivity to the router and has been informed that other administrators have no difficulties using telnet. Which statements describe the possible reasons for this problem? (Choose two)

Correct AnswerverifiedShow Answer

What does the IP-prefix-filter "ip ip-prefix test index 10 deny 0.0.0.0 0 less-equal 32" mean?

Correct AnswerverifiedShow Answer

Which of the following statements regarding the Reverse Path Forwarding (RPF) mechanism are true? (Select 2 answers)

Correct AnswerverifiedShow Answer

The ABR in a Totally Stubby area will not advertise Type-3, Type-4, and Type-5 LSAs into the Totally Stubby area. Instead, the ABR will advertise a default route to the Totally Stubby area enabling packet forwarding to other destinations.

Correct AnswerverifiedShow Answer

Which statement about OSPF is false?

Correct AnswerverifiedShow Answer

Refer to the configuration output. Following configuration, a host is connected to the interface Gigabit Ethernet 0/0/1 of the router. Which IP address will the client obtain?

Correct AnswerverifiedShow Answer

Only Router-LSAs and Network-LSAs are involved in intra-area route calculations.

Correct AnswerverifiedShow Answer

Refer to the graphic. The host has a problem establishing a telnet connection with the router attached to interface G0/0/0. Which of the following steps can be used to help the administrator identify the problem? (Choose two)

Correct AnswerverifiedShow Answer

How does an IGMP router maintain group memberships on a network? (Select 2 answers)

Correct AnswerverifiedShow Answer

Assume that the following commands are run to configure BGP timer keepalive 30 hold 90 peer 1.1.1.2 timer keepalive 10 hold 30 Which statements regarding the configuration are true? (Select 2 answers)

Correct AnswerverifiedShow Answer

Which of the following network link type is not the basic network link type defined in OSPF?

Correct AnswerverifiedShow Answer

Which of the following are routed protocols? (Choose two)

Correct AnswerverifiedShow Answer

The route selection tool route-policy" can set and filter BGP attributes based on pre-defined conditions. Therefore, this tool is often used to define policies towards a BGP peer or during route generation.

Correct AnswerverifiedShow Answer

Which of the following statements about a neighbor state machine is true?

Correct AnswerverifiedShow Answer

Which of the following statements regarding stub areas is false?

Correct AnswerverifiedShow Answer

Which of the following storage devices is used to store the startup configuration files in a router?

Correct AnswerverifiedShow Answer

How many multicast IP addresses can be represented by an IP multicast MAC address?

Correct AnswerverifiedShow Answer

What is the maximum number of bits that can be used for subnetting, when the netork address is a Class C address?

Correct AnswerverifiedShow Answer

The bandwidth-reference parameter is measured in Mbit/s.

Correct AnswerverifiedShow Answer

The IPv6 address achitecture does not include which of the following address types?

Correct AnswerverifiedShow Answer

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