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NEW QUESTION 350
Which of the following is not a recognized attribute in a BGP route attribute?
- A. AS_PATH
- B. Local_Pref
- C. MED
- D. Origin
Answer: C
NEW QUESTION 351
Which of the following is not the basic network type defined by OSPF?
- A. NBMA
- B. Virtual Link
- C. Broadcast
- D. P2MP
Answer: B
NEW QUESTION 352
In OSPF, the LSDB overload is usually caused by too many AS external road information (the fifth type of LSA).
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 353
Which of the following commands can used to view the Type 2 LSA details?
- A. display ospf lsdb router
- B. display ip ospf lsdb router
- C. display ospf lsdb network
- D. display ip ospf lsdb network
Answer: C
NEW QUESTION 354
The ACL command acl[number]acl-number[match-order(auto|config}], where acl-numbar is used to specify the number of the access control list. The value of the acl-number of the user-defined ACL is?
- A. 1000~3999
- B. 3000~3999
- C. 4000~4999
- D. 5000~5999
Answer: D
NEW QUESTION 355
The following description about OSPF packet authentication, which is wrong?
- A. Only authenticated OSPF packets are accepted. Otherwise, neighbors cannot be set up normally.
- B. The authentication modes supported by AR2200 are classified into null, simple, MD5 and HMAC-MD5 based on the encryption algorithm.
- C. When both the area authentication mode and the interface authentication mode exist, use area authentication first.
- D. AR2200 supports two authentication modes: area authentication and interface authentication.
Answer: C
NEW QUESTION 356
Which of the following descriptions of the OSPF protocol are correct? (Multiple choice)
- A. ASBR Summary LSA describes the path of the ASBR and floods between AS.
- B. The cost value of the second type of external route is only the external cost of the AS, and the value of the AS content is ignored.
- C. The ASE LSA describes the path to the external route of the AS. The scope of the flooding is outside the AS.
- D. AS-External-LS does not belong to any area
Answer: A,C,D
NEW QUESTION 357
In PIM-SM, the description of the RP, which is wrong?
- A. Handling multicast group member join requests
- B. Only the last hop router knows the RP address.
- C. Processing multicast source DR registration information
- D. Must be specified manually
Answer: B,D
NEW QUESTION 358
For IPv4, report the address space of the SSM range allocated by IANA, which of the following addresses are legal?
- A. 232. 137. 1. 1/8
- B. 192. 168. 1. 1
- C. 225. 137. 1. 1/8
- D. 232. 137. 1. 1/24
Answer: A
NEW QUESTION 359
MSTP has different port roles. Which of the following statements are correct? (Multiple choice)
- A. The master port is a special domain edge port. The role of the master port on the CIST is the root port. The role of the master port is the master port.
- B. Backup port as a backup of the root port, providing another switchable path from the designated bridge to the root.
- C. When the MSTP calculation is performed, the role of the domain edge port on the MSTI is different from that of the CIST instance.
- D. The internal path cost saved by the edge port of the domain is greater than the internal path cost saved by the non-domain edge port.
Answer: A,B,D
NEW QUESTION 360
On broadcast or NBMA networks, not all neighbors establish adjacencies.
- A. False
- B. True
Answer: B
NEW QUESTION 361
Which of the following is true about BGP, OSPF, ISIS and RIP?
- A. OSPF runs on the basis of the IP protocol and uses the protocol number 90.
- B. ISIS runs on the basis of the IP protocol and uses the protocol number 89.
- C. BGP neighbor relationship based on the establishment of TCP session
- D. RIP runs on the UDP session and uses a port number of 179.
Answer: C
NEW QUESTION 362
The MUX VLAN provides a mechanism for controlling network resources through VLANs. which of the following concepts do not belong to the MUX VLAN?
- A. Primary VLAN
- B. Interworking VLAN
- C. Slave VLAN
- D. Guest VLAN
Answer: D
NEW QUESTION 363
In the matters needing attention when configuring the NSSA area, which of the following description is correct?
- A. Virtual connections can traverse the NSSA area.
- B. The backbone area can be configured as an NSSA area.
- C. The NSSA area can propagate external routes from other areas of the OSPF network.
- D. If an area is configured as an NSSA area, all routers in the area must be configured as NSSA areas.
Answer: D
NEW QUESTION 364
A router running IGMPv1 sends a general query packet, what is the destination address?
- A. 224. 0. 0. 13
- B. 224. 0. 0. 255
- C. 224. 0. 0. 1
- D. 224. 0. 0. 2
Answer: C
NEW QUESTION 365
How many types can the Hello packets of ISIS be divided into? (Multiple Choice)
- A. Level-1 LAN IIH
- B. Level-2 LAN IIH
- C. P2P LAN IIH
- D. Level-3 LAN IIH
Answer: A,B,C
NEW QUESTION 366
About the description of BGP loop protection, which is correct? (Multiple Choice)
- A. For EBGP, the AS-PATH attribute is used to discard any update information received from the EBGP peer that contains its own AS number in the AS-PATH attribute.
- B. For IBGP, the BGP router does not advertise any updates from IBGP peers to its IBGP peers.
- C. For EBGP, the BGP router does not advertise any updates from EBGP peers to its EBGP peers.
- D. For IBGP, the AS-PATH attribute is used to discard any update information contained in the AS-PATH attribute contained in the AS-PATH attribute from the EBGP peer.
Answer: A,B
NEW QUESTION 367
Link Aggregation is a way to bundle a set of physical interfaces together as a logical interface to increase bandwidth.
There are two types of link aggregation control protocols: manual load balancing mode and static LACP mode.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 368
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