Networking

Question 1

The dotted decimal for the following IP subnet mask: 11111111 11111111 11111111 11100000

Answer 1

255.255.255.224

Question 2

Which is the incorrect IP address 
A) 250.1.1.1
B) 134.387.1.0
C) 218.71.34.178
D) 67.0.0.251

Answer 2

A (250.1.1.1)

Question 3

An electrical conductor
A) excludes most metals
B) allows current to flow easily
C) has a high resistance 
D) all of the above

Answer 3

C) has a high resistance

Question 4

CAT5 is 
A) wired according to TIA/EIA - 568 standards
B) common cable for Ethernet 
C) made up of 4 twisted pair wires 
D) all of the above

Answer 4

D) all of the above

Question 5

If the attenuation of a network cable is 13db the signal is
A) 13 times bigger than transmitted amplitude
B) 13 times smaller
C) 4.5 times smaller
D) 100 times smaller

Answer 5

C) 4.5 times smaller than transmitted amplitude

Question 6

Name the class ranges for class A, B & C

Answer 6

Class A = 0 - 127
Class B = 128 - 191
Class c = 192 - 223