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NEW QUESTION # 85
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
- A. The outbound interface of this router to 10.0.2.2 is Ethernet0/0/1
- B. The outbound interface of this router to 10.0.0.1 is Ethernet0/0/1
- C. The outgoing interface of this router to 10.0.0.1 is Ethernet0/0/0
- D. The outgoing interface of this router to 10.0.2.2 is Ethernet0/0/0
Answer: A,C
NEW QUESTION # 86
What is wrong about the ARP message? ()
- A. ARP packets cannot be forwarded to other broadcast domains
- B. ARP reply message is sent by unicast party
- C. Any link layer protocol requires ARP protocol to assist in obtaining data link layer identification
- D. ARP request message is sent by broadcast
Answer: C
NEW QUESTION # 87
Which of the following ACLs can match the transport layer port number?
- A. Layer 2 ACL
- B. Basic ACL
- C. Advanced ACL
- D. Intermediate ACL
Answer: C
NEW QUESTION # 88
In the network as shown in the figure below, host A logs in to router A through Telnet. Then obtains the configuration file of router B through FTP on the remote interface. At this time, how many TCP connections does router A have? () (Single-choice question)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 89
Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()
- A. LSU
- B. LSACK
- C. LSR
- D. DD
Answer: B
NEW QUESTION # 90
AAA. Which of the following is not included? ()
- A. Accounting
- B. Authorization
- C. Authentication
- D. Audit
Answer: D
NEW QUESTION # 91
Which of the following port states is not included in the RSTP protocol? ()
- A. Forwarding
- B. Discarding
- C. Learning
- D. Blocking
Answer: D
NEW QUESTION # 92
How to deal with the data frame sent by the Trunki port? ()
- A. When the VLAN ID. is different from the PVID of the port, replace it with PVID. Forward
- B. When the VLAN ID. is different from the PVID of Jingkou, the TAG is stripped and forwarded
- C. When the VLAN ID is different from the PVID of the port, the data frame is discarded
- D. When the VLAN ID. is the same as the PVID of the port and is a VLAN ID that the port allows to pass through, remove the Tag and send the message
Answer: D
NEW QUESTION # 93
The IPV6 address 2001:ABEF:224E:FFE2:BCC0:CD00:DDBE:8D58 cannot be abbreviated.
- A. False
- B. True
Answer: B
NEW QUESTION # 94
Which of the following IPv4 addresses can be directly used by a host to access the Internet?
- A. 172.16.255.254/24
- B. 172.32.1.1/24
- C. 10.255.255.254/24
- D. 192.168.1.1/24
Answer: B
NEW QUESTION # 95
Which of the following options describes the concept of NFV architecture correct?
- A. VIM (VirtualiseD.Infrastructure Manager) virtual resource management is responsible for the virtualization of infrastructure.
- B. MANO is composed of NFVO, VNFM and VIM
- C. VNFM. Virtual network function management, responsible for the life cycle management of VNF.
- D. NFVO (NFV Orchestrator). Responsible for business orchestration.
Answer: A,B,C,D
NEW QUESTION # 96
What kind of packets does the OSPF protocol use to request LSAs that are missing locally?
- A. LSU
- B. LSR
- C. LSACK
- D. HELLO
Answer: B
NEW QUESTION # 97
Which of the following statements about the various versions of the SNMP protocol are correct?
- A. SNMPv1 uses UDP as the transport layer protocol, while SNMPv2C. and SNMPv3 use TCP as the transport layer protocol, so the reliability is higher.
- B. SNMPv2C. follows the 5 protocol operations defined in the v1 version and adds two additional operations.
- C. SNMPv.3 messages have the functions of identity verification and encryption processing.
- D. The SNMPv2C. message has the functions of identity verification and encryption processing.
Answer: B,C
NEW QUESTION # 98
Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()
- A. AP configuration delivery
- B. User access authentication
- C. User access control
- D. No matter when the data is forwarded, the user's data message will be forwarded by AC.
Answer: D
NEW QUESTION # 99
Which of the following authentication methods does not require the user name and password? ()
- A. authorization-mode hwtacacs
- B. Authentication-mode hwtacacs
- C. authentication-mode none
- D. authentication-mode local
Answer: C
NEW QUESTION # 100
Which of the following descriptions of OSPF DD packets and LSAs are correct ().
- A. DD packet contains detailed information about LSA
- B. DD packets only contain LSA header information
- C. The LSA header is only a small part of the LSA
- D. The header of the LSA can uniquely identify an LSA
Answer: B,C,D
NEW QUESTION # 101
If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?
- A. There is always a TCP header in the upper layer of each data frame
- B. There is always a UDP header in the upper layer of each data frame
- C. Each data frame must carry VLAN TAG
- D. The upper layer of a data frame must exist IP header
Answer: D
NEW QUESTION # 102
As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
- A. R1 and R2 can establish a stable OSPF neighbor relationship
- B. As long as the interface network type of R1 is restored to the default broadcast type, R1 and R2 can establish a stable neighbor relationship
- C. As long as the interface network type of R1 is restored to the default broadcast type, and the hello time is adjusted to 10s, R1 and R2 can establish a stable neighbor relationship
- D. R1 is more likely to become DR than R2, because its interface DR priority value is smaller
Answer: C
NEW QUESTION # 103
By default, it takes at least 30s for the port status in the STP protocol to change from Disabled to Forwarding.
Multiple choice
- A. False
- B. True
Answer: B
NEW QUESTION # 104
The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
- A. interface GigabitEthernet0/0/0.20Dotlg termination vid 10
Ip address10.0.12.2255.255.255.0Arp broadcast enable - B. interface GigabitEthernet0/0/0.10Dotlq termination vid 10
Ip address10.0.12.2255.255.255.0 Arp broadcast enable # - C. interface GigabitEtherneto/0/0.10Dotlq termination vid 20
Ip address10.0.12.2255.255.255.0Arp broadcast enable - D. interface GigabitEthernet0/0/0.20Dotlq termination vid 20
Ip address10.0.12.2255.255.255.0Arp broadcast enable #
Answer: C,D
NEW QUESTION # 105
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