Nov-2021 Latest ValidVCE GB0-191-ENU Exam Dumps with PDF and Exam Engine Free Updated Today!
Following are some new GB0-191-ENU Real Exam Questions!
NEW QUESTION 243
The Serial 0/0 and Serial 0/1 interfaces of the router of the Shenzhen branch of XYZ company are connected to two different ISPs through two WAN lines, and through these two ISPs, you can visit the website of the Beijing head office at 202.102.100.2, in Shenzhen. The following static routes are configured on the router of the branch office:
ip route-static 202.102.100.2 24 Serial 0/0 preference 10
ip route-static 202.102.100.2 24 Serial 0/1 preference 100
So which of the descriptions of these two routes is correct? (multiple choice)
- A. The priority of the two routes is different, the router will write the second route with the higher priority into the routing table
- B. The priority of the two routes is different, the router will write the first route with the higher priority into the routing table
- C. The destination address of the two routes is the same, which can be active and standby, and the first route is the master
- D. The Cost value of the two routes is the same
Answer: B,C,D
NEW QUESTION 244
The customer's network connection is shown in the figure.
Among them, the IP addresses of RTA, RTB, and RTC are respectively 2.2.2.1/24, 2.2.2.2/24, 2.2.2.3/24. To realize the intercommunication between RTA, RTB and RTC, configure the following frame relay MAP on RTA correct ?
- A. fr map ip 2.2.2.3 50
- B. fr map ip 2.2.2.1 40 60
- C. fr map ip 2.2.2.2 40
- D. fr map ip 2.2.2.1 40
Answer: A,C
NEW QUESTION 245
I see the following information on an MSR router running RIP:
<MSR>display rip
Public VPN-instance name:
RIP process: 1
RIP version: 2
Preference: 100
Checkzero: Enabled
Default-cost: 0
Summary: Enabled
Hostroutes: Enabled
Maximum number of balanced paths: 8
Then from the displayed information, ______ can be analyzed.
- A. The cost of the RIP route sent or received by this router is 0
- B. The automatic aggregation function of RIP is enabled
- C. Support 8 routes to achieve load sharing
- D. The router is running RIPv2
Answer: B,C,D
NEW QUESTION 246
The following debug information is viewed on the customer's router MSR 30:
*0.87831022 IP/8/debug_icmp:
ICMP Receive: ttl-exceeded(Type=11, Code=0), Src = 3.3.3.1, Dst = 3.3.3.2; Origi
nal IP header: Pro = 1, Src = 3.3.3.2, Dst = 20.1.1.1, First 8 bytes = 080081FF
ABD40004
*0.87833017 IP/8/debug_icmp:
ICMP Receive: ttl-exceeded(Type=11, Code=0), Src = 3.3.3.1, Dst = 3.3.3.2; Origi
nal IP header: Pro = 1, Src = 3.3.3.2, Dst = 20.1.1.1, First 8 bytes = 08007A2E
ABD40005
Based on this, it can be inferred that ______.
- A. The destination address of the ICMP packet is 3.3.3.2
- B. The destination address of the ICMP packet is 20.1.1.1
- C. There may be a routing loop, because the information shows ttl-exceeded
- D. The command ping 20.1.1.1 was executed on the router with IP address 3.3.3.2
Answer: B,C,D
NEW QUESTION 247
PPP has to go through a series of negotiation process before establishing the link, the correct negotiation sequence is ___. (Fill in the code of each step one by one, there can be no spaces in between, such as: ABC)
- A. PAP/CHAP
- B. LCP
- C. NCP
Answer: A,B,C
NEW QUESTION 248
When viewing the configuration, if there are many configuration commands and one screen cannot be displayed completely, after displaying one screen, you can press ___ to display the next page.
- A. <Ctrl+p> key
- B. <Ctrl+c> key
- C. <Enter> key
- D. <Space> key
Answer: D
NEW QUESTION 249
The user can use the ______ command to view the history commands.
- A. display history-cli
- B. display history-cache
- C. display history-command
- D. display history-area
Answer: C
NEW QUESTION 250
In the OSI reference model, the function of the network layer is mainly ______.
- A. Make sure that each piece of information that reaches the other party is correct
- B. Transmit the original bit stream on the channel
- C. Determine how the data packet is routed from the source to the destination
- D. Strengthen the function of the original bit stream of the physical layer data transmission, and carry out flow control
Answer: C
NEW QUESTION 251
The role of FTP data connection includes ______. (Multiple choice)
- A. The server sends the file to the client
- B. The server sends alarm information to the client
- C. The client sends a file to the server
- D. The server sends the file list to the client
Answer: A,C,D
NEW QUESTION 252
A DNS client queries the local domain name server for the IP address of www.sina.com.cn, and the local domain name server usually responds by means of DNS query?
- A. Recursive query
- B. Fuzzy query
- C. Iterative query
- D. Reverse query
Answer: A
NEW QUESTION 253
The three MSR routers RTA, RTB, and RTC are connected to the same frame relay network through their respective S1/0 interfaces. This frame relay network can provide enough PVC resources. As a network engineer, you need to assign IP addresses to these frame relay interfaces.
Which of the following statements is incorrect?
- A. If transit through any router is not allowed, at least three IP subnets are required to realize the two-by-two intercommunication of the three routers through this frame relay network
- B. Under the premise of correct routing configuration, three routers can communicate through this frame relay network with only one IP subnet.
- C. Under the premise of correct routing configuration, three routers can communicate through this frame relay network without configuring sub-interfaces.
- D. If transit through any router is not allowed, at least two IP subnets are required to enable three routers to communicate with each other through this frame relay network
Answer: A
NEW QUESTION 254
If the public network address of the NAT device is dynamically allocated by the operator through ADSL, in this case, you can use ______.
- A. Easy IP
- B. NAPT using address pool
- C. Static NAT
- D. Basic NAT
Answer: A
NEW QUESTION 255
A network connection is like:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
Two MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their S1/0 interfaces, and their GE0/0 interfaces are respectively connected to the client hosts HostA and HostB. The IP address of HostA is 192.168.0.2/24, and the address of the S0/0 interface of MSR-2 is 1.1.1.2/30. By configuring other relevant IP addresses and routes, HostA can communicate with HostB in the current network.
Nowadays, the customer requires that HostA is not allowed to log in to the MSR-2 through Telnet at address 1.1.1.2.
So which of the following configurations can meet this requirement? (multiple choice)
- A. Configure the following ACL on MSR-1 and apply it to the outbound direction of GE0/0 of MSR-1: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl- adv-3000]rule 0 deny tcp source 192.168.0.2 0 destination 1.1.1.2 0 destination-port eq telnet
- B. Configure the following ACL on MSR-1 and apply it to the outbound direction of S1/0 of MSR-1: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl- adv-3000]rule 0 deny tcp source 192.168.0.2 0 destination 1.1.1.2 0.0.0.3 destination-port eq telnet
- C. Configure the following ACL on MSR-1 and apply it to the inbound direction of GE0/0 of MSR-1: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl-adv -3000]rule 0 deny tcp source 192.168.0.1 0.0.0.255 destination 1.1.1.2 0.0.0.3 destination-port eq telnet
- D. Configure the following ACL on MSR-1 and apply it to the inbound direction of S1/0 of MSR-1: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl- adv-3000]rule 0 deny tcp source 192.168.0.1 0.0.0.255 destination 1.1.1.2 0 destination-port eq telnet
Answer: B,C
NEW QUESTION 256
The MAC address table on a layer 2 switch is shown in the figure.
When the switch receives a frame with a destination MAC address of 00-13-72-8E-4E-C4 from the E1/0/2 interface, the switch will ______ the frame. (Multiple choice)
- A. Discard directly
- B. Send out from the E1/0/3 interface
- C. Send out from the E1/0/2 interface
- D. send out from all interfaces on the switch
- E. Send out from the E1/0/1 interface
- F. send out from E1/0/4 interface
Answer: B,E,F
NEW QUESTION 257
As shown in the figure, the three MSR routers run OSPF and RIP respectively.
Now that the OSPF neighbor status between RTA and RTB is stable, and the RIPv2 between RTB and RTC is also working normally, then within 40 minutes from this moment, ______. (Multiple choice)
- A. RTB has sent its own LSA summary information to RTA at least once
- B. There must be a packet with a multicast address of 224.0.0.5 in the network
- C. There must be a packet with a multicast address of 224.0.0.13 in the network
- D. RTB has sent all its routing table information to RTC at least 10 times
Answer: A,B
NEW QUESTION 258
Common FTP file transfer types include ______. (Multiple choice)
- A. Local type
- B. Binary type
- C. EBCDIC type
- D. ASCII code type
Answer: B,D
NEW QUESTION 259
If the IP address of a host is 130.25.3.135 and the subnet mask is 255.255.255.192, then the network address of the subnet where the host is located is ______.
- A. 130.25.3.0
- B. 130.25.3.128
- C. 130.25.3.255
- D. 130.25.0.0
Answer: B
NEW QUESTION 260
Two MSR routers implement dynamic routing learning through OSPF. On one of the routers MSR-1, there are three interface IP addresses 192.168.8.1/24, 192.168.13.254/24 and 192.168.29.128/24, so they must pass a network Command to start OSPF on these three interfaces, which of the following configuration is feasible? (multiple choice)
- A. [MSR-1] ospf [MSR-1-ospf-1] area 0 [MSR-1-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.63.255
- B. [MSR-1] ospf [MSR-1-ospf-1] area 0 [MSR-1-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.32.255
- C. [MSR-1] ospf [MSR-1-ospf-1] area 0 [MSR-1-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.255.255
Answer: A,C
NEW QUESTION 261
What is wrong about the IP address below is ______. (Multiple choice)
- A. The network number of the Class A IP address has 8 digits, and the actual variable number is 7 digits.
- B. Address translation (NAT) technology is usually used to solve the conversion of class A addresses to class C addresses.
- C. IP address consists of two parts: network number and host number.
- D. The first octet of a class C IP address starts with 100.
Answer: B,D
NEW QUESTION 262
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