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NEW QUESTION 1
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()
- A. True
- B. False
Answer: B
NEW QUESTION 2
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge IDs will be the root bridge? ()
- A. 409600-01-02-03-04-DD
- B. 3276800-01-02-03-04-AA
- C. 3276800-01-02-03-04-CC
- D. 3276800-01-02-03-04-BB
Answer: A
NEW QUESTION 3
A company applies for a C. address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask should be designed as ( )
- A. 255.255.255.240
- B. 255.255.255.128
- C. 255.255.255.192
- D. 255.255.255.0
Answer: A
NEW QUESTION 4
Take effect immediately after the Router ID of the OSPF process is modified ()
- A. True
- B. False
Answer: B
NEW QUESTION 5
Which of the following statements about Iv6 address configuration are correct? ()*
- A. IPv6 supports DHCPv6 for address configuration
- B. IPv6 address supports automatic configuration in multiple ways
- C. IPv6 addresses can only be configured manually
- D. IPv6 supports stateless automatic configuration
Answer: ABD
NEW QUESTION 6
Basic ACL number value range ().
- A. 2000-2999
- B. 1000-1999
- C. 3000-3999
- D. 4000-4999
Answer: A
NEW QUESTION 7
AC uses CAPTAP control tunnel transmission to FIt AP management packet
- A. True
- B. False
Answer: B
NEW QUESTION 8
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
- A. The MAC address 5489-9811-0b49 is manually configured by the administrator
- B. The MAC address 5489-989d-1d30 is manually configured by the administrator
- C. After the switch restarts, all MAC addresses need to be relearne
- D. The MAC address 5489-9885-18a8 is manually configured by the administrator
- E. The MAC address 5489-9885-18a8 is manually configured by the administrator
Answer: A
NEW QUESTION 9
Which extension headers are supported by IPv6 packets?() *
- A. Destination option extension header
- B. Fragment extension header
- C. Hop-by-hop option extension header
- D. VLAN extension header
Answer: ABC
NEW QUESTION 10
Which of the following statements are correct for the MAC address of the existing switch? ()
- A. MA
- B. The address 5489-9885-18a8 is manually configured by the administrator
- C. MA
- D. The address 5489-9811-0b49 is manually configured by the administrator
- E. MA
- F. Address 5489-989d-1d30 is manually configured by the administrator
- G. After the switch restarts, all MAC addresses need to be re-learned
Answer: B
NEW QUESTION 11
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability. ()
- A. True
- B. False
Answer: A
NEW QUESTION 12
As shown in the figure, after the two routers are configured with 0SPF, the administrator configures the
<silent-interface$0/0/0> command on RTA. Is the following description correct? () (Multiple Choice Questions)
- A. RTA will continue to receive, analyze and process OSPF packets sent by RTB
- B. The neighbor relationship between the two routers will be down
- C. The neighbor relationship between the two routers will not be affected
- D. RTA will no longer send OSPF packets
Answer: BD
NEW QUESTION 13
The Trunk port can send both tagged data frames and untagged data frames.
- A. True
- B. False
Answer: A
NEW QUESTION 14
As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)
- A. True
- B. False
Answer: B
NEW QUESTION 15
On the VRP platform, which of the following methods can be used to access previous historical commands? ()
- A. Ctr1U
- B. Ctr1P
- C. Left cursor
- D. Up cursor
Answer: D
NEW QUESTION 16
What is wrong about the following description of the router? ()
- A. The router can be used as a gateway device
- B. The router cannot isolate the broadcast domain
- C. The router can realize IP packet forwarding
- D. The router works at the network layer
Answer: B
NEW QUESTION 17
What is wrong about the description of the information as shown in the figure? () (Single-choice question) (RI) display interface g0/0/0
GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN
- A. B.The GigbitEthernet0/0/0 interface is not configured with an IP address
- B. C.The GigbitEthernet0/0/0 interface was manually closed by the administrator
- C. D.GigbitEthernet (0/0/0 interface does not enable dynamic routing protocol
Answer: C
NEW QUESTION 18
What is the total length of port ID in Spanning Tree Protocol? ()
- A. 2
- B. 8
- C. 4
- D. 16
Answer: D
NEW QUESTION 19
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