Fast2testからの試験合格準備の必需品4A0-C04試験トレーニング問題
有効なパス率はNokia Network Routing Specialist II (NRS II)の4A0-C04試験問題
質問 118
What type of OSPF router generates a type 2 LSA?
- A. Autonomous System Boundary Router
- B. Area Border Router
- C. All routers within an OSPF area.
- D. Designated Router
正解: D
質問 119
Click on the exhibit.
After the Isp-ping command is executed, which of the following best describe the router's action?
- A. MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.
- B. MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.
- C. MPLS Echo Request packets are sent over TCP.
- D. MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.
正解: D
質問 120
Click on the exhibit.
The partial command output from an Nokia 7750 SR is shown. Which of the following about this LSP path is TRUE?
- A. R6 (10.10.10.6) has established a link protection tunnel.
- B. R4 (10.10.10.4) has established a link protection tunnel.
- C. R1 (10.10.10.1) has not established a node protection tunnel.
- D. R2 (10.10.10.2) has established a node protection tunnel.
正解: B
質問 121
What Nokia 7750 SR OAM tool can be used to verify the end-to-end connectivity of a service?
- A. Svc-ping
- B. Sdp-ping
- C. Isp-ping
- D. Sdp-mtu
正解: A
質問 122
Which of the following conditions will prevent an OSPF adjacency from reaching the full state? Choose three answers.
- A. MTU mismatch
- B. Incorrect subnet mask
- C. Router ID not defined
- D. Different metric set on each end of the link
- E. System interface not included in OSPF
- F. Area ID not the same
正解: A,B,F
質問 123
Which of the following is NOT required when configuring an LSP with an admin group constraint on an Nokia 7750 SR?
- A. Enable CSPF on the head-end router.
- B. Enable traffic engineering on all routers along the LSP path.
- C. Enable MPLS and RSVP on all routers along the LSP path.
- D. Configure a path definition on all routers along the LSP path.
正解: D
質問 124
Click on the exhibit.
If the primary path goes down, which secondary LSP path will the head-end router select first?
- A. Secondary_Path-1
- B. Secondary_Path-3
- C. Secondary_Path-4
- D. Secondary_Path-2
正解: B
質問 125
Which of the following describes 6PE?
- A. P routers run IPv4 only. PE routers run both IPv4 and IPv6 and exchange IPv6 routes using MP-BGP.
- B. P routers run IPv6 only. PE routers run both IPv4 and IPv6 and exchange IPv4 routes using MP-BGP.
- C. P routers run IPv6 only. PE routers run IPv6 only and exchange IPv4 routes using MP-BGP.
- D. P routers run IPv4 only. PE routers run IPv4 only and exchange IPv6 routes using MP-BGP.
正解: A
質問 126
An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?
- A. The link state information already in the database is overwritten and the age is reset
- B. The link state information is not populated in the database but is forwarded to all neighbors
- C. The link state information is not populated in the database and an acknowledgement is sent
- D. The link state information is regarded as old and nothing is done.
正解: C
質問 127
Which of the following statements regarding area border routers in an OSPF network is true?
- A. By definition, an area border router must perform route summarization between areas.
- B. An OSPF network needs at least one area border router to function.
- C. Area border routers connect the backbone area to other areas in an OSPF network.
- D. The term backbone router has the same definition as the term area border router.
正解: C
質問 128
Click the exhibit.
Assuming the network is IPv6 only, which of the following configurations on the Nokia
7750 SR router A can establish an IPv6 BGP session to router B?
- A. Option D
- B. Option B
- C. Option C
- D. Option A
正解: D
質問 129
Which of the following statements regarding BGP shortcuts is FALSE?
- A. The transit routers need to support LDP or RSVP-TE LSPs.
- B. Edge and transit routers need to be configured with BGP.
- C. MPLS tunnels are used to carry transit traffic across the network.
- D. A full mesh of iBGP peering sessions is not required,
正解: B
質問 130
What is the default preference value for a static route in the Nokia 7750 SR router?
- A. 0
- B. 1
- C. 2
- D. 3
正解: D
質問 131
Choose the Distance Vector Protocols from the list below:
- A. IS-IS
- B. RIPv1
- C. RIPv2
- D. OSPF
正解: B,C
質問 132
What command could be used to verify proper configuration of a static route in an Nokia 7750 SR router?
- A. Show static
- B. Show router route-table
- C. Show route-table
- D. Show router routing-table
正解: B
質問 133
From what range are 16-bit private AS numbers selected?
- A. 64496 - 64511
- B. 64512-65534
- C. 1 - 56319
- D. 64513-65535
- E. There are no defined private AS numbers; there are only private IP addresses.
正解: B
質問 134
In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment?
Choose three answers.
- A. Area ID W B.
- B. Checksum values
- C. Stub flag
- D. The list of neighbors
- E. Hello and Dead intervals PC.
正解: A,C,E
質問 135
A VPLS has a service MTU of 1600. To create an IES spoke termination to the VPLS, what ip-mtu value must be used for the IES?
- A. 0
- B. 1
- C. 2
- D. 3
正解: B
質問 136
Static routing will be used in a network between a corporate head office, with many connected networks, and a branch office, with one connection to the head office. Which of the following best describes the likely configuration?
- A. The corporate head office router and the branch router will both have default routes.
- B. The corporate head office router and the branch office router will both have specific static routes.
- C. The corporate head office router will have a default route and the branch site will have a more specific static route.
- D. The corporate head office router will have a more specific static route and the branch office router will have a default route.
正解: D
質問 137
Fill in the blanks: A ________device has all interfaces inside the provider domain, and a _______ device has at least one interface outside the provider domain.
- A. P, PE
- B. PE, CE
- C. PE, P
- D. CE, P
- E. CE, PE
正解: A
質問 138
Which of the following about VPLS MAC learning is TRUE?
- A. Frames received on a SAP that are broadcast, multicast or unknown are flooded.
- B. The FDB only stores the MAC addresses of remote sites.
- C. A PE keeps a single FDB for all VPLSes it has.
- D. Mesh SDPs assist MAC learning by flooding traffic to other mesh SDPs.
正解: A
質問 139
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