CSAR - Computer Networks - Test questions

In an captured ethernet frame the following IP source address was found: 4F 64 FF 93 - What is the decimal notation?

• 50.64.99.93
• 255.255.255.0
• 40.99.200.99
• 79.100.255.147

The IP Address FE80::C001:37FF:FE6C:1 is a...

• Global Unicast Adress
• Loopback Address
• Link local Address
• Multicast Address

Q3:The IP Address 2001:db8:a0b:12f0::1 is a...

• Global Unicast Adress
• Loopback Address
• Link local Address
• Multicast Address

What is the subnet mask of an IP Address using CIDR addressing 145.93.113.70/26 ?

• 255.255.255.192

• 255.255.255.0

• 255.255.255.26

• 255.255.255.73

Which of the following is NOT an asymmetrical encryption method?

• PGP
• RSA
• DES
• DSA

A public key will be calculated by taking ...

• Two random numbers
• A sequence of random numbers
• A sequence of prime numbers
• Two prime numbers

A PC has the ip 99.72.60.42. To which network class does the network of the PC belong to?

• Class A
• Class B
• Class C
• Class D

A PC has the ip 199.1.78.2. To which network class does the network of the PC belong to?

• Class A

• Class B

• Class C

• Class D

How many hosts and networks are in 156.34.1.44 ?

• Hosts: 128 Networks: 2097152
• Hosts: 256 Networks: 2097152
• Hosts: 65536 Networks: 16384
• Hosts: 16777216 Networks: 256

How many hosts can you have with a CIDR of x.x.x.x/30?

• 65536
• 4
• 1073741824
• 2^30