Huawei h12-261 practice test

Question 1

Assume R1 and R2 have a valid level-2 ISIS peering for IPv6 and the additional configuration shown is
applied. Which of the following statements about routing entries on R2 are true?

A. 2022:: /64 will be displayed in the IPv6 routing table.
B. 2021:: /64 will be displayed in the IPv6 routing table.
C. 2019:: /64 will be displayed in the IPv6 routing table.
D. 2020:: /64 will be displayed in the IPv6 routing table.

Question 2

Which of the following route types is used to advertise external routes in BGP EVPN?

• A. Type 2
• B. Type 5
• C. Type 1
• D. Type 4
• E. Type 3

Question 3

Which of following statements regarding VRRP groups in load balancing mode are true?

• A. Hosts in the same LAN need to be configured with different virtual routers as their default gateways
• B. At least two virtual routers need to provide forwarding services simultaneously
• C. When configuring the priority, ensure that the same router functions as the master device for three VRRP groups
• D. Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of other VRRP groups

Question 4

Which of the following statements regarding FTP is true?

• A. In FTP passive mode, the client initializes TCP control and data sessions
• B. In FTP active mode, the server uses the PORT command to notify the client of the port through which data is transmitted
• C. FTP always uses a TCP session to transmit control and data information
• D. FTP always uses TCP port 20 to establish a data session and TCP port 21 to establish a control session
• E. FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session

Question 5

The DSCP value of VoIP traffic on Huawei network devices needs to be set to EF. According to the RFC
about DSCP, which value should EF be set to?

• A. 5 in decimal notation
• B. 101110 in binary notation
• C. 0xEF
• D. 36 in decimal notation

Question 6

In traffic policing, dual buckets at dual rates are used. The number of tokens in bucket C is TC, and
the number of tokens in bucket P is TP. When a packet with a length of B is received, which of the
following statements are true?

• A. If (TP-B) and (TC-B) are larger than 0, the packet is marked green
• B. If (TP-B) is larger than 0 and (TC-B) is smaller than 0, the packet is marked yellow
• C. If (TP-B) is larger than 0 and (TC-B) is smaller than 0, the packet is marked green
• D. If (TP-B) and (TC-B) are smaller than 0, the packet is marked red

Question 7

As shown in the figure, Department A of Branch 1 can access the Internet, and Department B can
access headquarters resources only through the encrypted VPN. You can configure a NAT policy on
the egress device in Branch 1 to allow Department A to still access the Internet, and configure an
IPsec VPN (ESP protocol) in tunnel mode for Department B to allow Department B to access the
headquarters.

• A. TRUE
• B. FALSE

Question 8

IPSG static binding entries can be configured, or they can be generated when IPSG and DHCP
Snooping are used together.

• A. TRUE
• B. FALSE

Question 9

Which of the following statements regarding the Register message on a PIM-SM network are true?

• A. The Register message is sent from a source DR
• B. The Register message is sent to the RP in unicast mode
• C. The Register message is sent from a receiver DR
• D. The RP learns multicast source information from the Register message

Question 10

Which MAC address corresponds to the multicast IP address 229.130.130.1?

• A. 01-00-5E-82-82-01
• B. 00-00-5E-02-82-01
• C. 01-00-5E-02-82-01
• D. 00-00-5E-82-82-01

Question 11

If a multicast group has multiple receivers and the administrator enables the IGMP snooping function
on the switch connected to the receivers, how do the receivers respond after receiving General
Query messages from the querier?

• A. Only the receiver whose response timer expires firstly sends a Report message
• B. All receivers send Report messages
• C. All receivers send Report messages only when IGMPv1 is run
• D. All receivers send Report messages only when IGMPv2 is run

Question 12

Typically, users within a VPN only communicate with other users in the same VPN. They cannot
communicate with users on the Internet or access the Internet. Many VPN sites, however, may need
to access the Internet. Which of the following statements regarding interconnection between the
VPN and the Internet are true?

• A. The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet.
• B. Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site.
• C. Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table.
• D. Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.

Question 13

Which of the following technologies can be used to improve the MPLS BGP VPN reliability?

• A. VPN GR
• B. FRR for private IP routes between Pes and CEs
• C. VPN FRR
• D. CE dual-homing networking at the access layer

Question 14

Which of the following AS-paths can be matched by the AS-Path filter configured using the ip as-
path-filter 1 permit ^12.*74$ command?

• A. AS_Path (32 1274 23)
• B. AS_Path (125 328 74 23)
• C. AS_Path (123 621 743 2374)
• D. AS_Path (321 12 2374)

Question 15

To reduce the amount of OSPF data and routing information in some areas, OSPF has special area
types. Which of the following statements regarding OSPF special areas is true?

• A. The ASBR-summary-LSA can be advertised to an NSSA
• B. The AS-external-LSA can be advertised to a stub area
• C. Any OSPF area can be configured as a special area
• D. A router in a special area cannot establish an OSPF neighbor relationship with a router in a common area