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NEW QUESTION 61
To ensure security, authentication can be configured in the OSPFV3 process area view.
- A. True
- B. False
Answer: A
NEW QUESTION 62
After the VLAN-based MA, C address flapping detection function is configured, if the MA, C address flaps. The interface can be configured to perform actions according to requirements. Which of the following is NOT a configurable action?
- A. interface blocking
- B. Traffic filtering
- C. MA, Caddress blocking
- D. send alert
Answer: B
NEW QUESTION 63
[According to this picture, Peimen can judge?
cR3>display ipv6 routing-table protocol isis
- A. R3The device type must beLevel-1-2
- B. R3The device type must beLevel-2
- C. R3The device type must beLevel-1
- D. unable to judgeR3type of device
Answer: A
NEW QUESTION 64
As shown in the figure, there is a packet containing a three-layer label header. Please select the values (decimal) corresponding to the x, and Z fields in the figure.
Answer:
Explanation:
YZX
NEW QUESTION 65
A certain park deployed both IPv4 and IPv6 networks for service testing, and IS-IS was run to achieve network interconnection. IS-IS routing protocol has good scalability and is widely used in existing networks.
Regarding IS-IS scalability, which of the following statements are correct? (Multiple choice)
- A. IS-IS uses TLV structure to construct messages, which makes IS-IS more flexible and expandable
- B. IS-IS needs to add TLV to carry Pv6 address information in order to support PV6
- C. NLPID is a new TLV of IS-IS to support IPv6
- D. For IS-IS, adding new features only needs to add a new TLV
Answer: A,B,D
NEW QUESTION 66
As shown in the figure, on the R1 router, network administrator A sends the routing entry to R2 through the routing policy After modifying the MED value, you can control the path of traffic entering the AS100
- A. True
- B. False
Answer: A
NEW QUESTION 67
About the difference between NSR and NSF, which is correct?
- A. NSF must rely on neighbor routers to complete
- B. NSP can be done without neighbor routers
- C. NSR must rely on neighbor routers to complete
- D. Both NSR and NSP require neighbor routers to complete
Answer: A
NEW QUESTION 68
As shown in the figure, network administrator A on the R1 router, after modifying the Local Preference value of the routing entry sent to R2 through the routing policy, can control the path of traffic leaving AS100.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 69
MPLS has always been slower than IP forwarding.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 70
When troubleshooting a network, if you need to confirm the business traffic path, which of the following tasks may be required? (Multiple choice)
- A. Confirm the data link layer service traffic path
- B. Confirm that the network layer service flow is a path
- C. Investigate business meteor path planning in the network design stage
Answer: A,B
NEW QUESTION 71
As shown in the figure, 0SPF is enabled on all interfaces of the router. The cost value of the link is marked in the figure, R2's LoogbackO is advertised by mouth in area 0, then in In area 1, both R2 and R3 transmit the routing information of 10.0.2.2/32 in the form of Typae3 LSA.
- A. True
- B. False
Answer: A
NEW QUESTION 72
The router ID of OSPF V3 needs to be configured in dotted decimal with a length of 128 bits.
- A. False
- B. True
Answer: A
NEW QUESTION 73
In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded.
label, the description of the two-layer label in the following options is wrong
- A. By default, the outer label is singled out before the packet is forwarded to the last hop device
- B. Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle
- C. MPLS VPNThe outer label is made byLDPprotocol or statically assigned, the inner label is assigned by the correct end MP-BGPassigned by neighbors
- D. MPLS VPNEThe outer layer label is called the private network label, and the inner layer label is called the public network label
Answer: D
NEW QUESTION 74
The configuration shown in the figure is performed on R2 to filter all received routes. Assuming that there is a BGP route with the AS_Path attribute of [100 200 300 400] on R1 that needs to be sent to R2, please help the network administrator to adjust the order of AS in the AS_Path attribute of the route on R1 to ensure that the routing entries will not be filtered by the routing policy of R2. (Sorting questions)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A,B,C,D
NEW QUESTION 75
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO
- A. False
- B. True
Answer: A
NEW QUESTION 76
As shown in the figure, the router runs OSPF and Area2 is a completely stub area. Please match the type of LSA contained in each area with the area ID.
Type1 LSA , Type2 LSA , Type3 LSAType1 LSA , Type2 LSA , Types LSA , Type5 LSAType1 LSA , Type2 LSA , Type3 LSA , Type4 LSA , Type5 LSA
Answer:
Explanation:
NEW QUESTION 77
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