You try "ping server1" and you get "host not reachable.." . Why ?
TCP stands for ?
A cyclical redundancy check (CRC) is usually contained in a packet's ?
SNMP uses which protocol ?
Your Ultra 1 has a 100Mbps Fast Ethernet Card. What is the name of the interface ?
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How to configure SMTP connector in exchange server 2003 for external outgoing mail?
What is the difference between 802.2 and 802.3 frames ? a. 802.3 = 802.2 + LLC Header Info b. 802.2 = 802.3 + LLC Header Info c. 802.2 = 802.3 + Length field c. 802.3 = 802.2 + Length field
I have to do a project in transport domain in J2EE.How can i find informations regarding transport domain and why do we use that?
Which OSI layer provides synchronization by placing checkpoints in the data stream.
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
Which program will check if sendmail can determine the system's fully-qualified host name ?
4 parts of UDP header: a. source IP b. destination IP c. source port d. destination port e. length f. UDP checksum