Real Exam Questions GB0-191-ENU Dumps Exam Questions in here [Mar-2022]
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NEW QUESTION 76
On the MSR router, if you want to completely delete an obsolete file in the recycle bin, you can execute the ______ command.
- A. reset trash-bin
- B. clear trash
- C. reset recycle-bin
- D. clear all
Answer: C
NEW QUESTION 77
Which of the following is the correct IPv6 address? (multiple choice)
- A. 2001:410:0:1:45FF
- B. 2001:410:0:1:0:0:0:0:45FF
- C. 2001:410:0:1:0:0:0:45FF
- D. 2001:410:0:1::45FF
Answer: C,D
NEW QUESTION 78
Divide a class B network segment into subnets. If the subnet mask is 22 bits, then the maximum number of hosts that can be accommodated in each subnet is __. (Please fill in Arabic numerals)
Answer:
Explanation:
1022
NEW QUESTION 79
Use the display nat session command to view the NAT information, the display is as follows:
There are currently 4 NAT sessions
Protocol GlobalAddr Port InsideAddr Port DestAddr Port
-198.80.28.11 --- 10.0.0.2 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00
-198.80.28.12 --- 10.0.0.1 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59
1 198.80.28.12 1024 10.0.0.1 1024 198.80.29.4 1024
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59
1 198.80.28.11 512 10.0.0.2 512 198.80.29.4 512
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
This information shows that the private network address is ______. (Multiple choice)
- A. 192.80.28.12
- B. 192.80.28.11
- C. 192.80.29.4
- D. 10.0.0.1
- E. 10.0.0.2
Answer: D,E
NEW QUESTION 80
The DHCP client sends a _______ message to the DHCP server to update the IP lease?
- A. DHCP Release
- B. DHCP OFFER
- C. DHCP Decline
- D. DHCP Inform
- E. DHCP ACK
- F. DHCP Request
Answer: F
NEW QUESTION 81
If a port running STP in the Ethernet switch does not receive or forward data, receives and sends BPDUs, and does not perform address learning, then the port should be in the ______ state.
- A. Disable
- B. Waiting
- C. Learning
- D. Blocking
- E. Forwarding
- F. Listening
Answer: F
NEW QUESTION 82
It is required to set a subnet mask to divide a class B network 172.16.0.0 into seven subnets, and each subnet should contain as many hosts as possible, so the subnet mask should be _____. (Dotted decimal format) slightly
Answer:
Explanation:
255.255.224.0
NEW QUESTION 83
The customer's router is connected to the operator's network through DCC, so which of the following interfaces on the router can realize DCC dial-up?
- A. Dialer interface
- B. Async interface
- C. PRI interface
- D. Serial interface
Answer: A,B,C,D
NEW QUESTION 84
The equipment that should be used in the box in the figure is ______.
- A. CSU/DSU
- B. Router
- C. Modem
- D. WAN switch
Answer: B
NEW QUESTION 85
The command to configure the interface Ethernet1/0/1 on the switch SWA as an edge port is ______.
- A. [SWA-Ethernet1/0/1] stp enable edged-port
- B. [SWA-Ethernet1/0/1] stp edged-port enable
- C. [SWA] stp enable edged-port
- D. [SWA] stp edged-port enable
Answer: B
NEW QUESTION 86
The IP address 133.18.2.110 is the ______ address.
- A. Type C
- B. Class D
- C. Type A
- D. Type B
Answer: D
NEW QUESTION 87
The correct statement about the STP protocol is ______. (Multiple choice)
- A. When the priority is the same, the larger the MAC address, the higher the priority
- B. The higher the priority value, the lower the priority
- C. The smaller BridgeID value will be selected as the root bridge
- D. The BridgeID value is a combination of the priority of the bridge and the MAC address of the bridge. The front is the MAC address, and the back is the priority.
- E. The default priority value of the H3C Ethernet switch is 32768
Answer: B,C,E
NEW QUESTION 88
During system startup, type ______ according to the prompt, the system will interrupt booting and enter BootROM mode.
- A. <Ctrl+b>
- B. <Ctrl+z>
- C. <Ctrl+c>
- D. <Ctrl+a>
Answer: A
NEW QUESTION 89
DNS works on the ______ of the OSI reference model.
- A. Transport layer
- B. Session layer
- C. Application layer
- D. Network layer
Answer: C
NEW QUESTION 90
In the process of establishing a PPP session, when the physical layer is unavailable, the PPP link is in the ______ phase.
- A. Authentication
- B. Dead
- C. Establish
- D. Terminate
- E. Network
Answer: B
NEW QUESTION 91
You can see the following information on the router MSR-1:
[MSR-1]display acl 3000
Advanced ACL 3000, named -none-, 2 rules,
ACL's step is 5
rule 0 permit ip source 192.168.1.0 0.0.0.255
rule 10 deny ip (19 times matched)
The ACL 3000 has been applied to the correct interface and direction.
From this we can know _______. (Multiple choice)
- A. This is a basic ACL
- B. The data packet matching rule 10 may be destined for the destination network segment 192.168.1.0/24
- C. When viewing the information, no data packet from the 192.168.1.0/24 network segment matches the ACL
- D. There is a packet flow that matches rule 10
Answer: B,C,D
NEW QUESTION 92
The correct sequence of the steps in the startup process of detecting the router system is _________. (Fill in the code of each step one by one, there can be no spaces in between, such as: ABCD)
- A. Unzip the application
- B. Application loading
- C. Start bootrom
- D. Memory
Answer:
Explanation:
DCAB
NEW QUESTION 93
A company's MSR router plans to dial-up to the Internet through ISDN DCC, and the router has the following configuration:
[H3C]dialer-rule 1 ip deny
[H3C]firewall default permit
This dialer access control list dialer-rule 1 has been quoted under the dialer interface, so which of the following statements about dialing are wrong?
- A. Any IP packet can trigger dialing
- B. TCP type packets can trigger dialing
- C. UDP type data packet can trigger dialing
- D. No IP packet can trigger dialing
Answer: A,B,C
NEW QUESTION 94
In Windows operating system, which command can display ARP table entry information?
- A. show arp
- B. arp -d
- C. display arp
- D. arp -a
Answer: D
NEW QUESTION 95
To modify the device name, you should use the ______ command (please write the full command).
Answer:
Explanation:
sysname
NEW QUESTION 96
The interface information of a router is displayed as follows:
Serial0/0 current state: UP
Line protocol current state: DOWN
Physical layer is synchronous, Baudrate is 64000 bps
Interface is DCE, Cable type is V35, Clock mode is DCECLK
What kind of protocol may be encapsulated or run on this interface?
- A. Frame Relay
- B. RIP
- C. PPP
- D. None of the above answers are correct
- E. HDLC
Answer: A,B,C,E
NEW QUESTION 97
Which of the following statements about MAC addresses are correct? (multiple choice)
- A. Usually only terminal hosts need MAC addresses, routers and other network devices do not need
- B. The MAC address is solidified in ROM and cannot be changed under normal circumstances
- C. Ethernet uses MAC address to identify host
- D. MAC address is a logical address that is easy to change
Answer: B,C
NEW QUESTION 98
The rate of the D channel in ISDN BRI is ______.
- A. 64 Kbps
- B. 36 Kbps
- C. 54 Kbps
- D. 16 Kbps
Answer: D
NEW QUESTION 99
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