Common Assessment - Grade 11th - Spring 2025

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. What is the network address of Host-A?

• 172.0.0
• 172.16.0.0
• 172.16.4.0
• 172.16.4.100

What command sequence do you type to go from the > to the config#?

• Type enable and then type show ip

• Type enable and then type configure terminal

• Type configure terminal and then type enable

• Type config interface and then type configure terminal

The subnet mask is used to identify the ______ and network portions of an IPv4 address.

• Broadcast

• Host

• Classful

• Mac

How many bits are there in an IPv4 address?

• 16 bits

• 32 bits

• 64 bits

• 128 bits

A Denial of Service

• Malicious software that executes arbitrary code and installs copies of itself in the memory of the infected computer, which then infects other hosts.

• Malicious software which attaches to another program to execute a specific unwanted function on a computer.

• An application run to deny service to a website so that legitimate users cannot access the site, forcing the site to go down.

• An application run to look like something else, and when downloaded and opened, it attacks the end user's computer from within.

The world's largest WAN (wide area network) is the

• Extranet

• Ethernet

• Internet

• Intranet

The components of an IPv4 address are

• Logical address and physical address

• Client address and server address

• MAC address and IP address

• Network address and host address

The NIC is installed on

• The system board.

• The CD-ROM drive

• The CPU

• Port in the modem

What does the binary number 10111011 equal in decimal form?

• 171
• 179
• 187
• 191

The category 5 cable exceeding 300 feet might result in

• Crosstalk

• Attenuation

• A collision domain

• Propagation