Port 23

To increase security, you decide to use your firewall to block the Telnet protocol. Which port will you need to block to prevent Telnet from being used?

https://

When SSL and HTTP are used together, what does the beginning of a site address become?

Ipconfig

Which troubleshooting tool can be used at the command line to see the IP configuration data given by a DHCP server to a Windows XP workstation?

HTTP and HTTPS

You are administering a system that has been locked down for security reasons. You notice that among all the other ports, port 443 and port 80 have been disabled. What services are associated with these ports?

POP3

Which protocol can be used by a client to access e-mail on a server?

Tracert

Which tool can be used to test connectivity and see the path taken to reach another host?

NSlookup

What is a command line utility that enables you to verify entries on a DNS server?

Bluetooth

Which of the following technologies is limited to 10 meters?

802.11

802.1x

Bluetooth

UTP

IP address, Subnet Mask

Which elements are required to communicate on a TCP/IP network? (Choose all that apply)

IP Address

Subnet Mask

Default Gateway

DNS server

UTP CAT-5e

What is the lowest grade of cable required to run 1000BaseT?

100 meters

You are installing a network and will use wired connections  You have a distance of 80 meters between nodes in some cases. What is the maximum distance you can run UTP cable?

GSM

You need to recommend a wireless cellular service to a client who travels globally. Which type of service should you recommend?

WiFi

Bluetooth

GSM

CDMA

802.11a, 802.11g

Which of the following 802.11x standards provides data transmission speeds up to 54Mbps?

802.11a

802.11b

802.11g

802.11i

ACL (Access Control Lists)

Firewalls use a set of rules to make determinations on which traffic to block. What are those rules called?

172.18.32.1

Which of the following addresses is a nonroutable IP address?

172.18.32.1

192.169.32.1

168.192.32.1

18.172.32.1

169.254.0.0

APIPA addresses are in which address range?

Netstat

Which utility is used to view the inbound and outbound TCP/IP connections on your machine?

PING

Which command is used to determine if another computer is reachable via TCP/IP?

SSID

Which of the following acronyms describes the "name" of a wireless network? What is the name of a wireless network called?

WEP

WPA

SSID

MAC

Enable MAC filtering

Change the SSID from the default

Use WPA

Which of the following are examples of ways you can increase the security of your wireless network?

Enable MAC filtering

Enable SSID broadcasts

Change the SSID fromt he default

Use WPA

PSTN (Public Switched Telephone Network)

Telephone company technicians usually call the phone line that goes into your house a POTS (plain old telephone service) line. What is the proper, more formal acronym?

33.6 Kbps

The maximum download speed for Dial-up is around 56Kbps. What is the upload speed?

A dialer

A special program that initiates the connection with the ISP by accessing the phone line, dialing the ISP's access number is called what?

Dial-Up Networking

Most versions of Windows have a built in dialer known as what?

DSL (Digital Subscriber Line)

One of the first methods of broadband Internet to become popular was a technology called what?

DSL endpoint

The correct term for the device used to access DSL is called a what?

Internal

______ endpoints go inside a computer as an expansion card, but that means that only that computer can access the Internet directly.

External

_______ endpoints can be hooked to a switch, router, or wireless router, which can share the Internet connection with multiple computers.

Noise Filter

What is used so that when you are on the phone, you don't hear any static from the DSL connection?

Naked DSL

Many phone providers will provide you DSL without a landline. What is this called?

DOCSIS (Data Over Cable Service Internet Specification)

Cable Internet provides broadband Internet access via the television cable that runs to your home via a specification known as what?

Instead of analog signals, it carries digital signals.

What makes ISDN (Intergrated Service Digital Network) different from a regular POTS line is how it uses the copper wiring. How is it used?

Bearer (B channel) , Signal (D channel)

An ISDN line has 2 types of channels.  What are they?

2B+D

BRI (basic rate interface) is also known as what?

23B+D

PRI (Primary rate interface) is also known as what?

Bonding, or Inverse Multiplexing

When the B channels are combined to maximize data throughput (which is common), the process is called what?

Propagation delay, or, latency

This occurs because of the length of time required to transmit the data and receive a response via satellite.

Bluetooth

______ is not designed to be a WLAN, but rather a wireless personal area network (WPAN).

GSM (Global System for Mobile Communications)

CDMA (Code Division Multiple Access)

What are the 2 main standards for cellular communications?

VOIP ( Voice Over IP )

_______ breaks up telephone conversations into data packets that are then sent over a TCP/IP network (such as the internet).

wireless access point (WAP) or wireless router

Wireless networks use either a _______ or a _______ to provide central connectivity.

SSID

When you are using windows to connect to a wireless network, all available wireless networks will be listed by their what?

192.168.1.1

What is the default internal address of the Linksys WRT54G wireless router?

Wardriving

When someone drives through your neighborhood looking for a wireless signal, this is called what?

WEP

If security is enabled, and you are using _____, the client will be required to know the passphrase as well as the key to connect to the wiresless router.

RADIUS ( Remote Authentication Dial-In User Service )

_______ is a service that provides centralized authentication on a network.

Firewall

A hardware or software solution that serves as your network's security guard.

Internet, or public side

Internal network, or private side

Most firewalls will have at least two network connections. What are they?

A network-based firewall

What companies use to protect their private network from public networks is called?

A host-based firewall

This is implemented on a single machine so it only protects that one machine.

Default Deny

The default configuration of a firewall is generally _____, which means that all traffic is blocked unless specifically authorized by the administrator.

Default Allow

All traffic is allowed through the firewall unless the administrator denies it. This is called what?

Port Forwarding

Packets that meet the criteria in the ACL are passed through the firewall to their destination. This is known as what?

Port Triggering

It allows traffic to enter the network on a specific port after a computer makes an outbound request on that specific port.

IP address

Each computer or device that wants to participate on a TCP/IP network needs a unique _______ on that network.

Subnet Mask

This defines the network address for the computer.

Default Gateway

The door out of your local network and onto another network, say the Internet, is called what?

Dynamic Addressing

When you use a DHCP server to provide clients with an IP address, subnet mask, default gateway, and DNS server, this is referred to as what?

Static Addressing

If you manually set up a clients IP address, subnet mask, default gateway, and DNS server, this is referred to as what?

zero configuration networking, or auto-configuration

APIPA is sometimes known as what?

NAT (Network Address Translation)

The process of translating private, nonroutable IP addresses into public IP addresses.

Loopback Address

The IP address of 127.0.0.1 is reserved as the _______. Its used to test basic TCP/IP functionality for your network card.

ICMP echo requests/replies

Pings are also called _______ , as they use the ICMP protocol.

NETSTAT

Besides being able to check out the inbound and outbound TCP/IP connections, it can also be used to view packet statistics, such as how many packets have been sent and received and the number of errors.