Networking Concepts

What does a PC broadcast to learn an unknown MAC address?

• ICMP Request

• ARP Reply

• ICMP Reply

• ARP Request

• None of Them

IP is a Connectionless Protocol.

• TRUE

• FALSE

For a Class C IPv4 Address, how many usable hosts are there by default?

• 254

• 64516

• 65536

• 255

• 32768

What is the broadcast address for a Class C address of 192.168.145.0 with default Subnet Mask?

• 192.168.0.0

• 192.168.145.254

• 192.168.145.1

• 192.168.145.255

• 192.168.145.0

Default network mask for Class B IPv4 address is ....

• 255.255.255.255

• 255.0.0.0

• 255.255.255.0

• 255.255.0.0

• None of Them

CSMA/CD mechanism prevent transmission at the same time on Ethernet technology.

• TRUE

• FALSE

There are 5 VLANs on a Switch. How many Broadcast Domains are there for these VLANs?

• 10

• 1

• 5

• 2

Which statements does NOT correctly describe how ACLs function?

• There's an implicit deny all at the bottom of each ACL

• There is immediate execution upon a match

• The last entries in an ACL are processed first

• ACLs can be used for filtering

Identify the statements that does NOT describe the purpose of subnet masks in networking.

• Distinguishes between bits composing the network and subnet parts of an IP address

• Used to classify destination IP addresses as either local or remote

• Used to determine router path on layer 3 devices

• A subnet mask identifies the host-significant portion of an IP

In IPv6, a ___________ address is used to communicate with

hosts on the directly attached network and will never forward

beyond the first router hop.

• Global

• Private

• Link local

• Private restricted

• Auto-generated