434 Q&As in UPDATED GB0-191-ENU Exam Questions Certification Test Engine to PDF
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NEW QUESTION # 59
The well-known port number of the transport layer protocol used by DNS is ______.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 60
The following statement about the upgrade of H3C network equipment is correct ______. (Multiple choice)
- A. When the device cannot boot to the command line mode and needs to upgrade the operating system software, Xmodem and TFTP can be used
- B. When using FTP to upgrade, the device can be used as an FTP server or client
- C. Use Xmodem to upgrade to the same speed as FTP
- D. In an environment where the complex interaction between the client and the server is not convenient, you can use TFTP to upgrade
Answer: A,B,D
NEW QUESTION # 61
In the switching network shown in the figure, all switches have enabled the STP protocol.
SWA was selected as the root bridge. According to the information in the figure, the ______ port should be set to the Forwarding state. (Multiple choice)
- A. P2 of SWA
- B. Insufficient information, unable to judge
- C. P1 of SWA
- D. P2 of SWC
- E. P1 of SWC
Answer: A,C,E
NEW QUESTION # 62
If a port running STP in the Ethernet switch receives and forwards data, receives, processes and sends BPDUs, and performs address learning, then the port should be in the ______ state.
- A. Disable
- B. Blocking
- C. Waiting
- D. Forwarding
- E. Learning
- F. Listening
Answer: D
NEW QUESTION # 63
The IP address 10.0.10.32 and the mask 255.255.255.224 represent a ______.
- A. Network address
- B. Broadcast address
- C. host address
- D. None of the above
Answer: A
NEW QUESTION # 64
The client router's interface GigabitEthernet0/0 is connected to the LAN host HostA, and its IP address is 192.168.0.2/24;
The interface Serial6/0 interface is connected to the remote end and is currently operating normally. The ACL configuration is now added as follows:
firewall enable
firewall default permit
acl number 3003
rule 0 permit tcp
rule 5 permit icmp
acl number 2003
rule 0 deny source 192.168.0.0 0.0.0.255
interface GigabitEthernet0/0
firewall packet-filter 3003 inbound
firewall packet-filter 2003 outbound
ip address 192.168.0.1 255.255.255.0
interface Serial6/0
link-protocol ppp
ip address 6.6.6.2 255.255.255.0
Assuming other related configurations are correct, then ______. (Multiple choice)
- A. HostA can't ping 6.6.6.2, but can ping 192.168.0.1
- B. HostA can Telnet to the router
- C. HostA cannot ping 192.168.0.1, but it can ping 6.6.6.2
- D. HostA cannot ping the two interface addresses on the router
Answer: B,C
NEW QUESTION # 65
The two empty-configured MSR routers MSR-1 and MSR-2 are interconnected through their respective GE0/0, and their IP addresses are 192.168.1.2/30 and 192.168.1.1/30 respectively.
Then add the following configuration on both routers:
[MSR-ospf-1]area 0 [MSR-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.3
The OSPF Router IDs of the two routers are their respective GE0/0 interface addresses, and there is no other configuration on the two routers.
Then, to ensure that MSR-1 becomes OSPF DR in the next election, which of the following configurations needs to be added? (multiple choice)
- A. Configure on MSR-2: [MSR-1-ospf-1]ospf dr-priority 0
- B. Configure on MSR-1: [MSR-1-ospf-1]ospf dr-priority 255
- C. Configure on MSR-1: [MSR-1-GigabitEthernet0/0]ospf dr-priority 255
- D. Configure on MSR-2: [MSR-2-GigabitEthernet0/0]ospf dr-priority 0
Answer: C,D
NEW QUESTION # 66
The command to configure the interface Ethernet1/0/1 on the switch SWA as an edge port is ______.
- A. [SWA] stp edged-port enable
- B. [SWA-Ethernet1/0/1] stp edged-port enable
- C. [SWA-Ethernet1/0/1] stp enable edged-port
- D. [SWA] stp enable edged-port
Answer: B
NEW QUESTION # 67
The network environment is shown in the figure, ______ is the correct NAPT configuration. (Multiple choice)
- A. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat
- B. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1 nat outbound 2000
- C. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1 nat outbound 2000 address-group 1
- D. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat
Answer: B,C
NEW QUESTION # 68
There is a default route in the router's routing table, its destination network segment and mask are both 0.0.0.0, and its next hop is the router's S0/0 interface, then the following description of this route is correct. ______. (Multiple choice)
- A. When the router receives a data packet to the destination address 120.1.1.1, if there is no other exact match in the router table, then the data packet will match this default route
- B. The route has the shortest mask, so the data packet will be forwarded according to the default route only if there is no other route matching the data packet
- C. The metric value of this route may be 3
- D. The priority of this route may be 100
Answer: A,B,C,D
NEW QUESTION # 69
The customer's network connection looks like:
HostA------MSR-1------MSR-2--------MSR-3------HostB
The IP address configuration has been completed on all devices. To realize that HostA can access HostB, which of the following statements is correct regarding routing configuration? (multiple choice)
- A. At least two static routes need to be configured on MSR-2
- B. At least one static route needs to be configured on MSR-1
- C. At least one static route needs to be configured on MSR-2
- D. At least one static route needs to be configured on MSR-3
Answer: A,B,D
NEW QUESTION # 70
The role of link aggregation is ______.
- A. Increase link bandwidth.
- B. Can avoid switching network loops.
- C. Increased link reliability between switches.
- D. Data load balancing can be realized.
Answer: A,C,D
NEW QUESTION # 71
The XYZ company administrator is subnetting the office network. It is required to divide a Class C network segment into several equal-sized subnets for office users in various departments, but there is no limit to the size of the subnets. There are ____ division methods. (Please fill in Arabic numerals)
Answer:
Explanation:
6
NEW QUESTION # 72
Three MSR routers are connected in the same LAN network, as shown in the figure. Run OSPF on the LAN interconnection network segment of the three routers, and the DR priorities of RTA, RTB, and RTC are 2, 2, and 3 respectively.
Due to the failure of the RTC LAN link, only RTA and RTB are currently working normally, and the OSPF neighbor status between RTA and RTB is stable. So _____ . (Multiple choice)
- A. After the RTC link is restored, two OSPF adjacencies will be established in the network
- B. After the RTC link is restored, the DR will be reselected in the network, and the RTC will become the new DR
- C. After the RTC link is restored, the OSPF adjacency status of RTC and RTB is FULL
- D. After the RTC link is restored, 3 OSPF adjacencies will be established in the network
Answer: C,D
NEW QUESTION # 73
The customer's network connection looks like:
HostA----GE0/0--MSR-1--S1/0-----WAN----S1/0--MSR-2--GE0/0----HostB
The two MSR routers are interconnected through the WAN, and the physical connection is now normal. The address of interface S1/0 of MSR-1 is 3.3.3.1/30, and the address of interface S1/0 of MSR-2 is 3.3.3.2/30. Now the following 4 static routes are configured on MSR-1:
ip route-static 192.168.1.0 255.255.255.0 3.3.3.2
ip route-static 192.168.2.0 255.255.255.0 3.3.3.2
ip route-static 192.168.3.0 255.255.255.0 3.3.3.2
ip route-static 192.168.4.0 255.255.255.0 3.3.3.2
The 192.168.0.0/22 subnet is the LAN user network segment of MSR-2.
So which of the following descriptions are wrong? (multiple choice)
- A. Only the first route will be written into the routing table of MSR-1
- B. Only the fourth route will be written into the routing table of MSR-1
- C. These four routes can be replaced by one route ip route-static 192.168.1.0 255.255.252.0 3.3.3.2
- D. These four routes will be written into the routing table of MSR-1
Answer: A,B,C
NEW QUESTION # 74
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