Fragmentation =?
a. data --> packets
b. packets ---> bits
c. datagram ----> multiple frames
d. frame ---> bits
Which set has protocols of ONLY the Network layer ? a. IP, UDP, TCP, RARP, ICMP b. IP, UDP, ARP, RARP, ICMP c. SPX, UDP, GNS, ARP, APPLETALK d. IPX, FTP, ARP, RARP, ICMP
Explain client/server?
The following are the steps toward encapsulation. Put them in order: 1. User input 2. data 3. frame 4. segment 5. datagram 6. bits a. 1-4-2-5-3-6 b. 1-5-4-2-3-6 c. 1-2-3-5-4-6 d. 1-2-4-5-3-6
You have a Class C network. You want to subnet it such that you have at least 5 hosts per subnet. How many subnets can you have?
Unable to connect to local DB
Your HOSTS file looks like this: 11.12.13 UNIX programmer # Programmers FTP server 11.12.14 server 11.12.15 UNIX developer #Developers FTP server 11.12.20 developer # developer you try to ftp developer, you can connect to the right server. But you try ftp 10.11.12.20, you fail to connect. Why?
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
What is spoofing? a. Where a packets claims its source to be other that what its source really is. b. Same as "denial of service" attacks c. Where a machine continually pings another machine d. Where certain broadcasts are passed through a router
What does the file /etc/rpc contain ?
Explain about the job of the network layer under the osi reference model?
Which value in the "flags" field in the DHCP network database denotes that the evaluation of the DHCP lease is turned on ?
The first octet of the IP address of a Class A host must be between __ and __