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NEW QUESTION 313
A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()
- A. CIDR
- B. TeInet
- C. VLSM
- D. RSTP
Answer: B
NEW QUESTION 314
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue the configuration ()
- A. True
- B. False
Answer: B
NEW QUESTION 315
Which of the following fields is not included in the HELL0 packet of the OSPF protocol?
- A. He11 oInt erval
- B. He11 oInt erval
- C. Network HA.sk
- D. Nei ghbor
- E. sysname
Answer: E
NEW QUESTION 316
As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)
10.137.217.210 00e0-fc01-0203 E1/0/0
10.2.2.1 00e0-fc99-9999 Eth-Trunk 1
192.168.20.1 00e0-fc99-9999 vlan100
10.0.0.1 00e0-fc99-9999 vlan200
- A. True
- B. False
Answer: B
NEW QUESTION 317
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 318
The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0/1 port hybriD.taggeD.vlan 2 to 3 100 port hybriD. untaggeD. vlan 4 6#
- A. 1, 2, 3, 4.6, 100
- B. 2, 3, 100
- C. 2.3, 4, 6, 100
- D. 1, 2.3, 100
Answer: B
NEW QUESTION 319
Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions?
- A. MRU
- B. Magic words
- C. CHAP
- D. PAP
Answer: B
NEW QUESTION 320
Which statement about the 0SPF protocol DR is correct? ()
- A. An interface priority is 0, then the interface cannot be a DR
- B. DR election is preemptive
- C. Router ID, the larger the value, the more preferred it is to be elected as DR
- D. DR must be the highest priority device in the network
Answer: A
NEW QUESTION 321
Which of the following routing protocols are dynamic routing protocols?
- A. Direct
- B. BGP
- C. OSPF
- D. static
Answer: B,C
NEW QUESTION 322
When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single-choice question)
- A. 10.0.12.5255.255.255.25511.0.12.210.
0.12.1255.255.255.25511.0.12.5 - B. 10.0.12.5255.255.255.25511.0.12.6
#10.0.12.1255.255.255.25511.0.12.1 - C. 0.0.0.0
#0.0.0.0
0
#11.0.12.2 - D. 0.0.0.00.0.0.00
#11.0.12.6
#11.0.12.1
0
Answer: A
Explanation:
#11.0.12.5
0
NEW QUESTION 323
Which of the following commands can be used to view the CPU usage of the router?
- A. display memory
- B. display cpu-usage
- C. display interface
- D. display cpu-state
Answer: B
NEW QUESTION 324
The following statement about the main functions of the router is wrong ()*
- A. According to the source of the received packetIP address for forwarding
- B. Realize the mutual communication between the same network disconnection equipment
- C. Guide data forwarding according to the routing table
- D. Establish routing table through multiple protocols
Answer: A,B,C
NEW QUESTION 325
There are multiple route entries to the same destination network in the routing table. These routes are called? ()
- A. Default route
- B. Multipath routing
- C. Equal cost routing
- D. Suboptimal routing
Answer: C
NEW QUESTION 326
What are the ACL classifications*
- A. Advanced ACL
- B. Layer 2 ACL
- C. Basic ACL
- D. User-defined ACL
Answer: A,B,C,D
NEW QUESTION 327
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. ()
- A. True
- B. False
Answer: B
NEW QUESTION 328
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. ()
- A. True
- B. False
Answer: B
NEW QUESTION 329
What is the total length of an IPv6 address in bits?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 330
Which of the following levels is not a common network level in mid-sized campus network architecture?
- A. Network layer
- B. Convergence layer
- C. Access layer
- D. Core layer
Answer: A
NEW QUESTION 331
Which of the following features does the default VLAN in the Layer 2 Ethernet switch have? ()*
- A. The default VLAN cannot be deleted manually
- B. By default, all ports of the switch are member ports of the default VLAN
- C. A default VLAN must be created before it can be assigned a port
- D. The P address configured on the switch will only be applied to the member ports of the default VLAN
Answer: A,B
NEW QUESTION 332
The IEEE802.11aC. standard only supports the 5GHz frequency band ()
- A. True
- B. False
Answer: B
NEW QUESTION 333
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