GB0-191-ENU Exam Training Practice Tests (H3C Constructing Small - and Medium

Question 1

The transport layer protocol that DNS can use is ______.

A. NCP B. UDP C. TCP D. TCP or UDP

Correct Answer: D

Question 2

The following statement about frame relay address mapping is correct ______. (Multiple choice)

A. Frame relay address mapping can be dynamically maintained using Inverse ARP. B. Frame relay address mapping is to associate the DLCI of the local device with the DLCI of the opposite device. C. When carrying the IP protocol, frame relay address mapping is used to associate the next hop IP address with the local DLCI. D. Frame relay address mapping can be manually configured.

Correct Answer: A,C,D

Question 3

Which of the following statements about MAC addresses are correct? (multiple choice)

A. MAC address is a logical address that is easy to change B. Ethernet uses MAC address to identify host C. Usually only terminal hosts need MAC addresses, routers and other network devices do not need D. The MAC address is solidified in ROM and cannot be changed under normal circumstances

Correct Answer: B,D

Question 4

Create an aggregate port with port Ethernet1/0/1 and ID 2 on the S3610 switch. The correct command is ______.

A. [SWA-Ethernet1/0/1] interface bridge-aggregation 2 B. [SWA-Ethernet1/0/1] interface bridge-aggregation 2 mode static C. [SWA] interface bridge-aggregation 2 port Ethernet1/0/1 D. [SWA] interface bridge-aggregation 2

Correct Answer: C

Question 5

An MSR router is connected to the Internet through the S1/0 interface, and the GE0/0 interface is connected to the LAN host. The network segment of the LAN host is 10.0.0.0/8, and there is an FTP server with an IP address of 202.102.2.1 on the Internet.
By configuring the IP address and routing on the router, the hosts in the current LAN can access the Internet normally (including the public network FTP server). Now the following configuration is added to the router:
firewall enable
acl number 3000
rule 0 deny tcp source 10.1.1.1 0 source-port eq ftp destination 202.102.2.1 0
Then apply this ACL to the inbound and outbound directions of the GE0/0 interface, then which of the following intentions can this ACL achieve?

A. Only prohibit the FTP control connection from the host whose source address is 10.1.1.1 to the destination host's 202.102.2.1 whose port is TCP 21 B. The host whose source address is 10.1.1.1 is prohibited from initiating FTP connection to the destination host 202.102.2.1 C. Only prohibit the FTP data connection from the host whose source address is 10.1.1.1 to the destination host 202.102.2.1 whose port is TCP 20 D. There is no restriction on the FTP connection initiated from 10.1.1.1 to 202.102.2.1

Correct Answer: D

Question 6

When using the ping command on the MSR router, you can use the ______ parameter to set the length of the sent ICMP packet. size

A. -n B. -c C. -s D. -b

Correct Answer: C

Question 7

The customer's network is composed of two MSR routers interconnected, and the RIPv1 protocol is running between the two MSRs. The dynamic route learning has been completed and the remote route has been learned. Now the customer will modify RIPv1 to RIPv2, then the following will happen What are the possible changes? (multiple choices)

A. The way the router sends RIP packets may change B. The routing entries in the routing table on the router may change C. The mask length of the remote route learned on the router may change D. The time interval for sending RIP update packets on the router will change

Correct Answer: A,B,C

Question 8

SPX belongs to the ______ of the OSI reference model.

A. Network layer B. Session layer C. Transport layer D. Presentation layer

Correct Answer: C

Question 9

The network address of the natural classification network segment corresponding to the IP address 192.48.117.22 is.

Correct Answer:

192.48.117.0

Question 10

There is an entry in the router's routing table for a route with a network segment of 10.168.100.0/24, with a Cost of 15 and a Preference of 100. Then which of the following statements about this route are correct?

A. This route may be a route discovered dynamically through RIP B. If this is a RIP route, then the route is an invalid route C. This route may be a manually configured static route D. This route must be learned through dynamic routing

Correct Answer: A,D

Question 11

DNS works on the ______ of the OSI reference model.

A. Network layer B. Application layer C. Session layer D. Transport layer

Correct Answer: B

H3C Constructing Small - and Medium - Sized Enterprise Network - GB0-191-ENU Exam Practice Test