What is the most common layer 2 device?
A. Hub
B. Router
C. Switch
D. Repeater
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Identify the 2 commands that will display the status and information about interface E0 only? A.) show interface ethernet E0 B.) show interface E0 C.) show E0 D.) show int E0 E.) show interface
When using access lists, it is important where those access lists are placed. Which statement best describes access list placement? A. Put standard access lists as near the destination as possible. Put extended access lists as close to the source as possible. B. Put extended access lists as near the destination as possible. Put standard access lists as close to the source as possible. C. It isn't import where access lists are placed since the router will read and cache the whole list. D. Put access lists as close to corporate headquarters as possible.
Can you explain in a generic manner the packet of IPSec?
Which frame has a Type field to identify the upper-layer protocol? A.) 802.3 B.) 802.2 C.) 802.5 D.) Ethernet_II
10. Which STP state populates the MAC address table but doesn't forward data frames? A. Blocking B. Listening C. Learning D. Forwarding
Which of the following are valid WAN terms? A.) DTE B.) DCE C.) Demarc D.) CPE
what is uplink port why are we use this port,this port having extra feature or only use to redundant link or other please explain it ,,,,,,,,,,,,,,,, bcz i am very confuse ..... Thanks
What is the protocol number for UDP? A.) 6 B.) 17 C.) 25 D.) 21
How to see the running-config & startup-config infor from global configuration mode. As we know, from priviledge mode we cn see it by executing command. i.e. Router#show running-config and Router#show startup-config Now wat is the coommands use in global configuration mode o see those info. Router(Config)# ??????
Explian what is a node?
Define network?
What is difference between flsm and vlsm?
CCNA 
