合格させるNokia 4A0-C04にはFast2test提供の試験問題集で2022年02月更新 [Q19-Q43]

合格させるNokia 4A0-C04にはFast2test提供の試験問題集で2022年02月更新

完全版最新の4A0-C04問題集、100%カバー率問題と解答があなたをリアル試験で合格させる

質問 19
Which of the following statements about SAPs that are part of a VPVVS is FALSE?

A. Only one SAP is required for a service that originates and terminates on the same Nokia 7750 SR.
B. Multiple SAPs can be defined on the same port.
C. SAPs can have QoS policies assigned to them.
D. SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels.

正解: A

質問 20
Click the exhibit.

AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

A. Two routes; one from router R4 and one from router R5.
B. Four routes; two from router R4 and two from router R5.
C. Two routes from router R4.
D. Two routes from router R5.

正解: B

質問 21
Which of the following about Type 10 opaque LSAs is TRUE?

A. Type 10 opaque LSAs are supported by IS-IS.
B. Type 10 opaque LSAs are stored in an LSDB.
C. Type 10 opaque LSAs are used for traffic engineering support.
D. Type 10 opaque LSAs are flooded to all areas of the routing domain.

正解: C

質問 22
Which of the following regarding the withdrawal of routes from one BGP speaker to another is TRUE?

A. An update message is used. Only a single prefix can be withdrawn at a time.
B. An update message is used. Multiple prefixes can be withdrawn at a time.
C. A withdraw message is used. Multiple prefixes can be withdrawn at a time.
D. A withdraw message is used. Only a single prefix can be withdrawn at a time.

正解: B

質問 23
Click the exhibit.

Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?

A. Router R3 accepts updates transited through router R2 and rejects updates received from router R1.
B. Router R3 rejects all updates originating in AS 65540.
C. Router R3 accepts updates received from router R1 and rejects updates transited through router R2.
D. Router R3 accepts updates from both routers R1 and R2.

正解: C

質問 24
Which of the following OSPFv3 LSAs have an AS scope?

A. Network LSA
B. Link Local LSA
C. Router LSA
D. Inter-Area Router LSA
E. Intra-Area Prefix LSA
F. None of the above LSAs have an AS scope.

正解: F

質問 25
What will happen if an update is received with an unrecognized optional non-transitive attribute?

A. The router will accept the update and propagate the attribute.
B. The router will accept the update and send a notification.
C. The router will not accept the update and send a notification.
D. The router will accept the update and ignore the attribute.

正解: D

質問 26
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 27
A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

A. 0
B. 1
C. 2
D. 3

正解: A

質問 28
Click the exhibit button.

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?

A. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
B. The adjacency state is two way because both routers have received a database description packet.
C. The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
D. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.

正解: C

質問 29
Which of the following commands can be used to display the number of SPF computations that have been performed on a router?

A. show router ospf neighbor
B. show router ospf interface
C. show router ospf area <area-id>
D. show router ospf status

正解: C

質問 30
Which of the following messages is NOT used in T-LDP operation?

A. Init message
B. Label Mapping message
C. Keepalive message
D. Hello message
E. ACK message

正解: E

質問 31
What is the purpose of configuring a triggered-policy on an Nokia 7750 SR?

A. Policy changes are delayed until the peer router with the affected routes reboots.
B. Policy changes are delayed until BGP sessions are cleared or BGP is reset.
C. Policy changes are delayed until the router reboots.
D. Policy changes are delayed until route updates for affected BGP routes are received from peers.

正解: B

質問 32
If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

A. Not So Stubby Area
B. Standard Area
C. Backbone Area
D. Stub Area

正解: A,B,C

質問 33
Which of the following regarding MPLS label value assignment is FALSE?

A. Label values may be dynamically assigned by IGP.
B. Label values may be reserved for special uses.
C. Label values may be dynamically assigned by RSVP-TE.
D. Label values may be dynamically assigned by LDP.

正解: A

質問 34
Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

A. Option D
B. Option B
C. Option A
D. Option C

正解: D

質問 35
Which of the following statements concerning OSPFv3 is false?

A. NSSA is not supported in OSPFv3.
B. Router LSAs do not carry IPv6 prefix information
C. MD5 Authentication is not supported.
D. OSPFv3 uses a 32-bit router ID.

正解: A

質問 36
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

A. Network LSA
B. Router LSA
C. Summary Router LSA
D. Summary Network LSA

正解: A,B

質問 37
Click the exhibit button.

The OSPF adjacency between routers R3 and R1 is down. What is the problem?

A. Area 1 of router R1 should not be configured as a stub.
B. Router R3 has the incorrect authentication key type.
C. Router R1 has the incorrect authentication key type.
D. There is not enough information to tell.

正解: C

質問 38
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 39
Click the exhibit.

After router A receives the BGP update for the 10.3.3.0/24 prefix, which routers will the route be propagated to?

A. All routers with which it has a BGP session, except the router it received the update from, which is router D.
B. All routers with which it has a BGP session.
C. All routers with which it has a BGP session, except the router it received the update from, which is router B.
D. All routers with which it has a BGP session, except the router it received the update from, which is router C.
E. Only eBGP neighbors.

正解: E

質問 40
Click the exhibit.

Considering that both routers C and D are advertising the eBGP learned prefix 10.5.0.0/16 into ISP X, which of the following best describes the route advertisement within ISP X?

A. Router C sends the update to routers A, B, E and F.
B. Router C sends the update to routers D, E and F.
C. Router C sends the update to routers E and F only.
D. Router C sends the update to routers A, B, D, E and F.

正解: D

質問 41
Which of the following are similarities between OSPF and IS-IS? Choose two answers.

A. Metric is based on hop count.
B. Support hierarchy through the use of areas.
C. Link state updates sent using layer 3 multicast.
D. Support for CIDR.
E. Slow convergence after link failures.

正解: B,D

質問 42
Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C.
What action is taken by router B when it receives the update?