What is the key advantage of using switches?

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Identify the command to display all the valid commands at the given mode? A.) Help all B.) Help C.) All commands D.) ?

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In version 11.2 of the IOS, a Cisco router configured for frame-relay can automatically detect the LMI type. What is this known as? A.) Psychic B.) ESP C.) Inverse ARP D.) Hello E.) Reverse ARP F.) Autosense

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What command displays only OSPF routes?

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1. What is an advantage to LAN segmentation? A. Provides multiprotocol support B. Decreases security C. Decreases broadcasts D. Increases broadcasts

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How many reserve ports?

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In regards to the ISDN BRI standard, which channel is used for control? A.) B B.) D C.) E D.) I E.) Q

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What do the following statements in an extended access list accomplish? access-list 101 deny TCP 172.16.4.0 0.0.0.255 172.16.3.0 0.0.0.255 eq 21 access-list 101 deny TCP 172.16.4.0 0.0.0.255 172.16.3.0 0.0.0.255 eq 20 access-list 101 permit TCP 172.16.4.0 0.0.0.255 0.0.0.0 255.255.255.255 A. This will block ftp traffic. B. This will block http traffic. C. This will permit ftp traffic. D. This will permit tftp traffic.

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Which protocol will send a message to routers if a network outage or congestion occurs? A.) ARP B.) TCP C.) IP D.) ICMP

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Identify 2 HDLC characteristics? A.) Default serial encapsulation B.) Open standard C.) Supports Stacker compression D.) Supports point-to-point and multipoint

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What are hold-downs used for? A.) To prevent regular update messages from reinstating a route that has come back up B.) Information received on an interface cannot be sent back out the same interface C.) To prevent regular update messages from reinstating a route that has gone down D.) To hold the routing table from being sent to another router

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Write out a config to permit only the below MAC address to pass traffic through a port on your switch. in another way writhe a confrigation which permit only mac address trfaic through a port of your switch

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