H12-211_V3.0 Exam Questions

The data link layer uses PPP encapsulation, and the IP addresses at both ends of the link may not be in the same network segment.

The command to enable CHAP authentication in PPP is: ppp chap authentication.

Apply the following ACL in SNMP: which of the following is wrong? acl number 2000 rule 5 permit source 192.168.1.2 0 rule 10 permit source 192.168.1.3 0 rule 15 permit source 192.1...

In the packet encapsulation format shown in the figure, which of the following fields will be encrypted by the ESP protocol of IPsec VPN?

As shown in the figure below, what is the scope of AH protocol authentication in IPsec transmission mode?

When the data encapsulation mode of IPsec is tunnel mode, the IP address of the intranet host is hidden, which can protect the security of the entire original data packet.

Which of the following commands configures the authentication mode to be HWTACACS authentication?

During the establishment of the adjacency relationship, what is the role of DD packets in OSPFv3?

If the MAC address of an interface is 0EE0-FFFE-0FEC, what is its corresponding EUI-64 address?

Which field of the IPv6 header can be used for QoS?

The simplest form of IPv6 address 3001:0DB8:0000:0000:0346:ABCD:42BC:8D58 is?

The same interface of the router cannot be used as both a DHCPv6 server and a DHCPv6 client.

Which packet is sent by the DHCPv6 client, requesting the DHCPv6 server to assign an IPv6 address and network configuration parameters to it?

Segment routing (SR) is a protocol based on what idea to design for forwarding packets on the network?

How many bytes are the packets using the MPLS label double-layer nesting technology more than the original IP packets?

Which of the following subnet routes can aggregate fron the route entry 10.0.0.24/29? (Multiple Choice)

An IPv4 packet header length field is 20B, and the total length field is 1500B, then what is the packet payload?

Which of the following is unlikely to be the IPv4 packet header length?

The Ethernet optical interface can only work in the () mode.

The administrator found that the above message popped up on the device. <Huawei> Warning: Auto-Config is working.Before configuring the device, stop Auto-Config.If you perform conf...

Which of the following commands can be used to query the configuration information of the OSPF protocol? (Multiple Choice)

The output information of a certain device is as follows. Which of the following statement is correct? (Multiple Choice)

What is the correct statement about the black hole MAC address table? (Multiple Choice)

Which is the correct statement about the static MAC address table? (Multiple Choice)

In the RSTP protocol, when the root port fails, () will be quickly converted to the new root port and immediately enter the forwarding state.

Both the Alternate port and the Backup port in RSTP cannot forward user traffic in RSTP, but can receive, process, and send BPDUs.

All switches in the following figure have STP protocol enabled, if the path cost of all ports is 200. What is the path cost value included in the configuration BPDU received by the...

As shown in the figure, all four switches run STP, and various parameters use default values. When a port on the root switch sends a jam and fails to send configuration BPDUs throu...

By default, it takes at least 30 seconds for the port status in STP to be changed from Disabled to forwarding.

There are multiple NextHops in the routing table that reach the same destination network. These routes are called?

Which of the following network types does the OSPF protocol need to elect DR and BDR? (Multiple Choice)

The Router ID of the OSPF process takes effect immediately after being modified.

When configuring OSPF on a router, you must manually configure (). (Multiple Choice)

The priority of the static routing protocol cannot be specified manually.

Which of the following statements about direct route is correct?

The router in the backbone area has all the LSDBs in all its areas.

Which of the following parameters does the OSPF protocol use for the master-slave relationship election?

According to the following DHCP flowchart, which statements are true? (Multiple Choice)

The DHCP protocol interface address pool has a higher priority than the global address pool.

As shown in the following figure, all links are Ethernet links, and all routers run OSPF. How many DR are elected in the entire network?

How many member ports can be added to an Eth-Trunk interface on ARG3 series router and X7 series switch?

A trunk port can send both tagged data frames and unlabeled data frames.

As shown in the figure, if host A has host B ARP cache, host A can ping through host B.

Which of the following statements about one-arm routing is correct? (Muitiple choice)

Which of the following statements about link aggregation is correct? (Muitiple choice)

NAPT uses the same public IP address but different port numbers to translate private IP addresses. Which statement regarding the port number is correct?

Refer to the graphic. On the interface serial 1/0/1 of RTA, the command "ip address unnumbered interface loopback 0" has been configured. Which following statements are correct? (M...

The data link layer is encapsulated in PPP. The IP addresses at both ends of the link cannot be in the same network segment.

Which of the following parameters are identified by the SA (Security Association)? (Muitiple choice)

As shown in the following figure, IPSec uses tunnel mode. What is the scope of ESP encryption?