Default subnet mask for Class A, B, and C ?
a. 0.255.255.255, 0.0.255.255, 0.0.0.255
b. 255.0.0.0 , 255.255.0.0, 255.255.255.0
c. 255.255.255.0, 255.255.0.0, 255.0.0.0
d. 0.0.0.0, 0.0.0.255, 0.0.255.255
What does the receiving host do with packets when it is using a connection-oriented protocol ? a. acknowledges only the first and last packet, puts the packets in their proper order. b. acknowledges only the first and last packet, discards in any packet that have arrived out of sequence. c. acknowledges each packet and puts the packets in their proper order. d. acknowledges each packet and discards in any packet that have arrived out of order
Which request does ICMP make when a ping command is entered ?
how can i restore my BIOS ?
Which file has name and IP for all systems in the domain (on a DNS server) ?
Which communication relies on a timing system between two devices.
What is called a set of physically connected computers in relatively small physical area.
You need to implement an Ethernet 100 MBPS network, what do you use? a. Coaxial b. UTP 3 c. UTP 5 d. Fiber optic
How long is MAC address (bytes) ? How may bytes identifies the vendor? a. 8,2 b. 6,3 c. 8,4 d. 6,2
Define tcp/ip?
You just want to use NIS only to resolve names. Which file should you copy to /etc/nsswitch.conf ?
Can you please explain the difference between hub and a switch?
What is the metric RIP uses to determine the best route ?