As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0/2 port of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port in the network to enter the forwarding state? () (Single-choice question)
Answer(s): B
Complete the ACL configuration shown in the figure on the router RTA. Which of the following descriptions is correct? () (Single-choice question)(RTA) acl 2001(RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255[RTA-acl-basic-2001]rule 10 deny source 20.1.1.0 0.0.0.255
Answer(s): C
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B. What are the destination MAC and destination IP of this packet? () (Single-choice question)
Answer(s): A
As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from LSW2 by LSW1 is tagged. ()(True or False)
The configuration information of a certain router is shown in the figure. Which of the following statements are correct? () (Single-choice question)#aaaauthentication-scheme defaultauthentication-scheme huaweiauthentication-mode radiusauthorization-scheme defaultauthorization-scheme huaweiaccounting-scheme defaultdomain defaultdomain defaultadmin domain huaweiauthentication-scheme huaweiauthorization-scheme huaweilocal-user huawei password cipher 123456local-user huawei@huawei password cipher 654321#
Answer(s): D
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question 182 - correct answer is d. ethernet frame length is 64 - 1518b. length of user data containing is that frame: 46 - 1500b.
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