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NEW QUESTION 28
Which of the following statements regarding DR/BDR are false?
- A. DR others listen on the network address 224.0.0.6.
- B. All DR others establish neighbor relationships with DR and BDR only.
- C. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
- D. DR others listen on the multicast address 224.0.0.5.
Answer: B
NEW QUESTION 29
Which of the following statements about the forwarding plane of a switch is false?
- A. Can collect packet statistics.
- B. Provides high-speed and non-blocking data channels.
- C. Consists of main control boards and interface boards.
- D. Can encapsulate and decapsulate packets.
Answer: A
NEW QUESTION 30
Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?
- A. The port In discarding or learning state does not forward data frames.
- B. The port in discarding or learning state does not learn MAC addresses
- C. The port in discarding state does not learn MAC addresses table.
- D. The port In learning stole docs not learn MAC addresses table.
Answer: B
NEW QUESTION 31
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION 32
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 33
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- A. 1.1.1.1/26
- B. 1.1.1.1/24
- C. 1.1.1.2/16
- D. 1.1.1.1/32
Answer: B
NEW QUESTION 34
Which of the following statements regarding different LSA types is false?
- A. LS Ack packets contain complete LSA information.
- B. LS Update packets contain complete LSA information.
- C. LS Request packets contain only LS Type, LS ID, and Advertising Router.
- D. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
Answer: B
NEW QUESTION 35
Which of the following statements about multicast packet forwarding is true?
- A. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
- B. If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
- C. The source address of a multicast packet is a unicast address.
- D. In multicast transmission, the destination address of a packet can be the unicast address of a host.
Answer: B
NEW QUESTION 36
Which of the following statement regarding the display ospf peer command output is true?
- A. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
- B. Router ID indicates that the local router ID Is 10.1.1.1.
- C. The DR address is 10.1.1.1
- D. Through negotiation during DD packet exchange, the local end becomes the slave.
Answer: A
NEW QUESTION 37
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 38
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 39
Which of the following statements regarding OSPF route summarization is false?
- A. Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
- B. OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
- C. Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
- D. Any router in OSPF can summarize routes.
Answer: A
NEW QUESTION 40
In BGP, the origin attribute of the routes imported using the import-route command is incomplete.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 41
Which of the following statements about WLAN roaming are true?
- A. APs for roaming do not need to have overlapping signal coverage.
- B. APs for roaming must have overlapping signal coverage.
- C. APs for roaming must be in the same extended service set (ESS).
- D. APs for roaming must be in the same basic service set (BSS).
Answer: A
NEW QUESTION 42
Which of the following PIM protocol packets have unicast destination addresses.
- A. Assert
- B. Graft
- C. Register Stop
- D. Bootstrap
Answer: B
NEW QUESTION 43
Which of the following TLVs is used by ISIS to describe the IP address of an interface?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 44
Which of the following statements is false, based on the following IGMP information on an interface of RTA?
- A. The interval for sending group-specific Query messages is 60s.
- B. The IP address of the interface is 192.168.1.1.
- C. The maximum time for response to Query messages is 10s.
- D. The IGMP version is IGMPV2.
Answer: C
NEW QUESTION 45
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)
Answer:
Explanation:
security policy
NEW QUESTION 46
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 75s
- B. 90s
- C. 20s
- D. 60s
Answer: C
NEW QUESTION 47
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