H12-211_V3.0 Exam Questions

If the result of the packet matching ACL is "reject", the packet is finally discarded.

In terms of security, IPsec tunnel mode is superior to IPsec transport mode.

What is the status of the OSPFv3 adjacency relationship after it is established?

The network as shown in the following figure, when OSPFv3 is enabled on all interfaces, Router A and Router B cannot establish adjacencies.

Which of the following fields are fields that exist in both IPv6 and IPv4 headers? (Multiple Choice)

What is the destination address of the DHCPv6 request packet?

By default, how many seconds is the period of OSPFv3 HELLO packet sending on the Ethernet link?

Which of the following fields does the MPLS header include? (Multiple Choice)

SR (SegmentRouting) defines a destination address prefix/node and adjacency in the network as segments, and assigns SIDs (Segment IDs) to the segments. By performing an unordered l...

The ARP protocol can resolve the MAC address of the target device according to the destination IP address, thereby, to map the link layer address and the IP address.

The Tracert diagnostic tool records the () of each ICMP TTL timeout message so that the user can be provided with the IP address of the packet when it arrives at the destination.

VLSM can expand any IP network segment, including Class D addresses.

Which fields in the IPv4 header are related to sharding? (Multiple Choice)

The pwd and dir commands in the VRP operating platform can view the file information in the current directory.

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

For a switch running STP, the port can be directly converted to the Disabled state in any state.

Which of the following MAC addresses will not age? (Multiple Choice)

By default, the bridge priority of a switch is 32768.

Which port of the following switches is blocked as shown in the following figure?

As shown in the following figure, all hosts can communicate normally. What is the correct relationship between the SWBMAC address and the port?

A switch running STP protocol will send TCN BPDUs only when a port on the switch fails.

How many bits of the Port ID total length in the spanning tree protocol?

As shown in the figure, the correct description about this network topology is ().

Which of the following statements about the Backup port in the RSTP protocol is correct?

A network consisting of switches does not have STP enabled. A Layer 2 loop must occur.

When a port running the standard STP protocol receives a suboptimal BPDU, it immediately sends its own configuration BPDU from this port.

As shown in the following figure, all routers run OSPF protocol. The top of the link is the size of the Cost value. What is the path of the RA to the network 10.0.0.8/8?

Which of the following statements about OSPF neighbor status is correct? (Multiple Choice)

On the network shown in the following figure, the administrator wants Router A to use static routes to send packets to Router B priority through G0/0/1. Which command can be used t...

Network structure and OSPF partition as shown in the figure, except for R1, routers R2, R3 and R4 are ABR routers of OSPF.

As shown in the configuration, the administrator has configured OSPF on R1, but R1 cannot learn the routes of other routers. [R1] ospf [R1-ospf-1] area 1 [R1-ospf-1-area-0.0.0.1] n...

Which of the following data packets is the OSPF protocol encapsulated in?

Whichi of the following about the default route is correct? (Multiple Choice)

When configuring a static route on a broadcast interface, you can configure a static route by specifying the next hop address or outbound interface.

Which of the following attributes cannot be used as a parameter to measure Cost?

As shown in the following figure, Router A and Router B establish an OSPF neighbor relationship. The OSPF process ID of Router A is 1 and the area ID is 0. Which of the following m...

Which of the following fields does not contain in HELLO packets of OSPF protocol?

What are the roles of OSPF DR and BDR? (Multiple Choice)

Which of the following are routing protocols? (Multiple Choice)

A company network administrator wants to be able to remotely manage branch network devices. Which of the following protocols will be used?

Which of the following message types does DHCP contain? (Multiple Choice)

Telnet is based on the TCP protocol.

If the administrator performs the configuration below on the Router, the the host connected to the G1/0/0 interface of the router can obtain what kind of the IP address through DHC...

What should do when the Access port sends a data frame?

If the configuration information of a port on a switch is as follows, when this port sent the data frames of which VLAN, the VLAN TAG is stripped?

The configuration information of a port on the switch is as follows, when the port sends the data frame of which VLAN TAG is carried, the VLAN TAG is stripped?

When a port of the switch sends a data frame carrying the same VLAN TAG and PVID, it must strip the VLAN TAG forwarding.

As shown in the following figure, Router A uses manual link aggregation and adds G0/0/1 and G0/0/2 ports to aggregation group 1. The incorrct statement about the status of Router A...

In the network shown in the figure, the correct description of the following is:

When NAT uses a dynamic address pool, addresses in the address pool can be reused, that is, the same IP is mapped to multiple intranet IPs at the same time.