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NEW QUESTION # 137
Both the pwd and dir commands in the VRP operating platform can view the file information in the current directory.
- A. False
- B. True
Answer: A
NEW QUESTION # 138
Which of the following protocols are dynamic routing protocols? (Multiple choice)
- A. Direct
- B. static
- C. OSPF
- D. BGP
Answer: C,D
NEW QUESTION # 139
Which of the following is not included in the routing table?
- A. Destination/Mask
- B. MAC
- C. Cost
- D. NextHop
Answer: B
NEW QUESTION # 140
When using FTP for file transfer, how many TCP connections will be established?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 141
Which layers does the TCP/IP model not include? (Multiple choice)
- A. Transport layer
- B. Session layer
- C. Network layer
- D. Application layer
- E. Presentation layer
Answer: B,E
NEW QUESTION # 142
The function of telnet.read_very_eager in Telnetlib is to read data non-blockingly. Usually needs to be used together with the time module.
- A. False
- B. True
Answer: B
NEW QUESTION # 143
Telnet is based on the TCP protocol.
- A. False
- B. True
Answer: B
NEW QUESTION # 144
The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP.
- A. False
- B. True
Answer: A
NEW QUESTION # 145
When there are redundant links in the switching network, using STP can solve the loop problem in the switching network.
- A. False
- B. True
Answer: B
NEW QUESTION # 146
The VTEP tunnel established by vSwitch can be used between different virtual machines to carry out VXLAN communication, then the communication process of VXLAN is?
1. The source VTEP encapsulates the ARP broadcast sent by the source VM into a multicast packet and sends it to the L3 network
2. After the destination VTEP receives the multicast packet, it learns the mapping relationship between the source VM and the VTEP, and forwards the multicast packet to the local VM
3. Local unicast response
4. The target VTEP encapsulates the VXLAN tunnel and establishes a mapping table. After encapsulation, the unicast is sent to the source VTEP.
5. The source VTEP receives the mapping relationship between the target VM and the target VTEP, and removes the tunnel and forwards it to the source VM.
6. The source VM and the target VM perform unicast message communication through the tunnel
- A. 1-3-2-4-6-5
- B. 3-5-2-4-1-3
- C. 1-2-3-4-5-6
- D. 1-5-6-4-3-2
Answer: C
NEW QUESTION # 147
Which of the following statements about direct routing is correct?
- A. The direct route has the highest priority
- B. Direct routing requires the administrator to manually configure the destination network and next-hop address
- C. Direct routes have lower priority than dynamic routes
- D. Direct routes have lower priority than static routes
Answer: A
NEW QUESTION # 148
Which message does the OSPF protocol use to describe its own LSDB?
- A. HELLO
- B. LSR
- C. LSU
- D. DD
Answer: D
NEW QUESTION # 149
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. Which of the following are these messages? (Multiple choice)
- A. Beacon
- B. Probe Response
- C. Probe Request
- D. Discovery
Answer: B,C
NEW QUESTION # 150
In the network shown in the figure, the administrator hopes that all hosts cannot access the Web service (port number is 80), and other services can be accessed normally. In the interface configuration of G0/0/1, which traffic-filter outbound needs to be bound ACL rule?
- A. acl number 3001
rule 5 deny udp destination-port eq www
rule 10 permit ip
# - B. acl number 3002
rule 5 permit ip
rule 10 deny tcp destination-port eq www
# - C. acl number 3003
rule 5 permit ip
rule 10 deny udp destination-port eq www
# - D. acl number 3000
rule 5 deny tcp destination-port eq www
rule 10 permit ip
#
Answer: D
NEW QUESTION # 151
There are two BFD detection modes. In () mode, the local end sends BFD control packets at a certain sending cycle, and the detection location is the remote end. The remote end detects whether the local end periodically sends BFD control packets.
Answer:
Explanation:
asynchronous
NEW QUESTION # 152
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