Chapter 11 Networking review questions (Some of the questions you will need to use the questions in your book for the pictures. Starts page 384)

-Single-mode fiber-optic cable fiber -Multi-mode fiber-optic cable

-8-10 microns, 60kms, laser diode, cable TV and telephone company. -62.5 microns, 10kms, LED, LAN/MAN

In the address *www.mycompany.com/locations*, which of the following is the top level domain name:

.com

What does a crimper do

Attaches a connector to a cable

What is a *Hub*

Broadcasts data to *all* attached computers

What is a *Router*

Allows *networks* to communicate with each other.

Given the IP address of 192.168.28.10, which is the network portion of the address and which is the host portion:

192.168.28. = network, 10=host

Which of the following is the subnet mask for a 192.168.28.10 IP address:

255.255.255.0

Which of the following is the family of IEEE standards used by Wi-Fi networks:

802.11

127.0.0.1 and ::1 are both IP addresses. Which statements are true:

::1 is an IPv6 address and Both addresses are loopback addresses

169.254.0.1 is which type of IP address:

APIPA (Automatic Private IP Addressing)

192.168.28.10 is an example of which type of IP address

Class C

What is a *Bridge*

Connects two *LANs* together

What is a *Modem*

Converts *digital signals* to *analog* and vice versa.

Which of the following protocols is used to automatically assign IP addresses on a network:

DHCP (Dynamic Host Configuration Protocol)

Assign the protocol with their ports:

IMAP = 143, FTP= 21, HTTP= 80, HTTPS= 443, SMTP= 25, DNS= 53, SSH= 22, POP3= 110

Which best describes an advantage that IPv6 has over IPv4

IPv6 provides an increase in the number of available IP addresses.

What is a *Patch panel*

Junction point for network cabling

Which of the following statements best describes the function of NAT:

NAT changes a private IP address for use inside a LAN into a public IP address for use outside a LAN.

If you need to run network cables through ceiling spaces or air vents, which type of cable should be used:

Plenum cable.

What is a *Firewall*

Prevents unwanted intrusion from outside the network

10.0.0.1 is which type of IP address:

Private

Which of the following statements best describes SMTP:

SMTP is a protocol for sending email from your computer to a server

Which protocol is used to access the Internet and is used by all major operating systems, including Windows, OS X, Linux, Android, and iOS:

TCP/IP

What is a *Switch*

Uses a *MAC address* to direct data to a specific computer

What are the trait of fiber optic cables when compared to TP or coaxial cables

Uses light to transmit information, does not experience crosstalk, expensive to install.

Which of the following Wi-Fi encryption methods is the strongest:

WPA2

Under which of the following circumstances is a crossover cable used:

When connecting one computer to another computer.