By default, the OSPF port cost is related to the bandwidth of the port. The calculation formula is bandwidth-reference/bandwith. The port cost can only be calculated by OSPF and cannot be changed manually.

By default, the OSPF port cost is related to the bandwidth of the port. The calculation formula is bandwidth-reference/bandwith. The port cost can only be calculated by OSPF and cannot be changed manually.A . TrueB . FalseView AnswerAnswer: B

January 7, 2019 No Comments READ MORE +

On non-broadcast networks, OSPF has two operating modes, non-broadcast multiple access and point-to-multipoint, and non-broadcast multiple access requires election of DR/BDR.

On non-broadcast networks, OSPF has two operating modes, non-broadcast multiple access and point-to-multipoint, and non-broadcast multiple access requires election of DR/BDR.A . TrueB . FalseView AnswerAnswer: A

January 7, 2019 No Comments READ MORE +

The following description of Local-Preference, which is correct?

The following description of Local-Preference, which is correct?A . Local-Preference is recognized as mandatory.B . Local-Preference affects the traffic entering the AD . Local-Preference can be spread across AF . The default value of Local-Preference is 100.View AnswerAnswer: D

January 1, 2019 No Comments READ MORE +

Agreate command (aggregate ipy4-address { mask | mask-length } [ as-set I attribute-policy route-policy-name1 I detail-suppressed I origin-policy route-policy-name2 I suppress-policy route-policy-name3]) There are several parameters that can be used to control the aggregation process and results, which of the descriptions are wrong? (Multiple choices)

Agreate command (aggregate ipy4-address { mask | mask-length } [ as-set I attribute-policy route-policy-name1 I detail-suppressed I origin-policy route-policy-name2 I suppress-policy route-policy-name3]) There are several parameters that can be used to control the aggregation process and results, which of the descriptions are wrong? (Multiple choices)A . Configure the as-set parameter....

December 31, 2018 No Comments READ MORE +

As shown in the figure, on the network running the RSTP protocol, the original root port of the SWC is faulty and the port is in the Down state. In this case, the network goes through which processes to achieve stability?

As shown in the figure, on the network running the RSTP protocol, the original root port of the SWC is faulty and the port is in the Down state. In this case, the network goes through which processes to achieve stability? A . The prepared port on the SWC becomes...

December 29, 2018 No Comments READ MORE +

About the definition of router roles within or between OSPF areas, which is correct? (Multiple Choice)

About the definition of router roles within or between OSPF areas, which is correct? (Multiple Choice)A . Internal router: refers to the router whose all interfaces belong to the same area.B . ABR: A router that connects one or more areas and connects to the backbone area. These routers act...

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The differences between IGMP versions are: (Multiple Choice)

The differences between IGMP versions are: (Multiple Choice)A . IGMPv1/v2 cannot elect the querier on its own, but IGMPv3 can.B . For members leaving, IGMPv2/v3 can leave actively, but IGMPv1 cannot.C . IGMPv1/v2/v3 cannot support the SSM model.D . IGMPv1 does not support specific group queries but IGMPv2 support.View AnswerAnswer:...

December 26, 2018 No Comments READ MORE +

As shown in the figure, on the network running the RSTP protocol, the original root port of the SWC is faulty and the port is in the Down state. In this case, the network goes through which processes to achieve stability?

As shown in the figure, on the network running the RSTP protocol, the original root port of the SWC is faulty and the port is in the Down state. In this case, the network goes through which processes to achieve stability? A . The prepared port on the SWC becomes...

December 19, 2018 No Comments READ MORE +

The following description about OSPF packet authentication, which is wrong?

The following description about OSPF packet authentication, which is wrong?A . The authentication modes supported by AR2200 are classified into null, simple, MD5 and HMAC-MD5 based on the encryption algorithm.B . AR2200 supports two authentication modes: area authentication and interface authentication.C . When both the area authentication mode and the...

December 19, 2018 No Comments READ MORE +

In the network as shown in the figure, all switches run the RSTP protocol. If the E1 interface of SWB failure, the RSTP process is? (Multiple choices)

In the network as shown in the figure, all switches run the RSTP protocol. If the E1 interface of SWB failure, the RSTP process is? (Multiple choices) A . SWB deletes the port list that use E1 as the destination port in the MAC address table.B . Recalculate the spanning...

December 17, 2018 No Comments READ MORE +