H12-891_V1.0-ENU exam

When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which field in the following options is overridden? (Single choice questions).A . Three layers of TTLB . Layer 3 destination addressC . Layer 3 source addressD . Layer 3 Transport ProtocolE . Two-tier TTLView AnswerAnswer:...

The following description of the link state protocol is plausible?A . CPU utilization is high and loops are easy to generateB . Slow convergence and low CPU utilizationC . Fast convergence and low CPU utilizationD . Fast convergence and high CPU utilizationView AnswerAnswer: D

If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?A . PIM routers with long interface masks are elected dr.B . Compare the...

A VRRP virtual router configuration VRID is 3 and the virtual IP address is 100 1. 1. 10, so what is the virtual MAC address?A . O0-00-5E-00-01-64B . 01-00-5E-00-01-03C . 01-00-5E-00-01-54D . 00-00-5E-00-01-03View AnswerAnswer: D

SSH uses asymmetric encryption algorithms AES and DES to achieve security for data transmission, and uses HMAC to ensure the complete integrity of integer dataA . TRUEB . FALSEView AnswerAnswer: A

In different scenarios, RSTP provides different protection functions, and the wrong statement about this statement isA . The root protection feature is enabled for the specified port, and its port role can only remain as the specified portB . When the anti-TC-BPDU packet attack feature is enabled, the number of...

The DHCP protocol assigns to clients―some TCPIP-related parameter information―in the process DHCP defines a variety of messages that are encapsulated at the transport layer: (sortic).A . PPP packageB . IP encapsulationC . TCP EncapsulationD . UDP EncapsulationView AnswerAnswer: D