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each client has its own /var/mail

What leading bit values in the IP address indicate a class C address ? a. 0 b. 01 c. 10 d. 11 e. 110

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What is "keepalive"? a. A keepalive is a small, layer-1 bit message that is transmitted by a network device to let directly-connected network devices know of its presence. b. A keepalive is a small, layer-2 message that is transmitted by a network device to let directly-connected network devices know of its presence. c. A keepalive is a small, layer-2 message that is transmitted by a network device to let it neighbors know of congestion d. A keepalive is a small, layer-3 message that is transmitted by a network device to let directly-connected network devices know of its presence. e. A keepalive is a small, layer-3 message that is transmitted by a network device to let it neighbors know of congestion

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3 types of acess list

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Give the importance of the osi physical layer?

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Which network conforms to IEEE 802.3 specs and is called standard Ethernet ?

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Secondary servers are defined the type mentioned in the named.conf file ?

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List 3 types of email addresses (for the mailer):

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You are setting up a 100 Mbps network in a building, which is pre-wired. After testing you decided that the cabling is category 3 compliant. What do you do? a. Keep existing b. Change to category 5

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Which layer establishes end-to-end connection ? a. network b. transport c. physical d. data-link

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Command to add a route to server1 via router1 with 3 hops :

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What determines what the network address is of the network a Solaris machine belongs to ?

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Explain how traceroute, ping, and tcpdump work and what they are used for?

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