Cisco 1 final exam review

What is a major characteristic of asymmetric Internet service?

Download speeds are faster than upload speeds.

After attracting four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the describes features?

ISR router

AS an assignment, a computer science student needs to present data in binary format. What are two possible values that the student can use?

0 & 1

A network technician is statically assigning an IP address to a PC. The default gateway is correct. What would be a valid IP address to assign to the host?

128/107.255.1

What is the default subnet mask for the IP address 128.107.23.10?

255.255.0.0

Which statement is true concerning stateful packet inspection?

Access is permitted only if it is a legitimate response to a request from an internal host.

Which network design layer provides a connection point for end user devices to the network?

Access layer

Which type of network supports DHCP and DNS services for network users in a network domain?

Client/Server

A technician can ping the public registered IP address of www.cisco.com but cannot successfully ping the URL address www.cisco.com from a host computer. Which software utility can the technician use to diagnose the problem?

NSlookup

Users are complaining that they get not response from a new application server. What tool would determine f the client application is successfully connecting to the application on the new server?

Netstat

Which two statements are true about network applications?

Network applications are accessible from a remote computer & network applications are installed on a network server.

Fro devices that do not autosense, which connection requires a crossover cable?

PC to PC

The security policy of an organization requires users to change their password every week. Which type of security policy is this?

Password

Which statement accurately describes a recommended strategy for end users to employ when the interact with a help desk technician?

Provide as much information about the problem as possible.

Which troubleshooting technique can be used to quickly restore user functionality without having to spend much time identifying the exact problem?

Subsitution

Which Windows command is used to display the configured IP address, subnet mask, and default gateway?

IPconfig

Describe DNS

DNS servers are used to map a name to an IP address

Which type of computer has an integrated mouse?

Laptop

What are the transport layer protocols of the TCP/IP model?

UDP & TCP

TCP/IP data transmission between the source and destination host it de-encapsulated in four steps:

B, D, C, A

A computer joins the network and announces itself to all hosts on the LAN. What type of messages does the computer send out?

Broadcast

Which two causes of networking problems are related to the physical layer?

Damaged cables and connectors & overheated components

which function is available on the network when TCP is used as the transport protocol?

Delivery acknowledgment.

For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time but cannot remember the steps taken to solve it. What aspect of the trouble shooting process has the technician neglected?

Documenting the troubleshooting problem

Which protocol is used to transfer files among network devices and perform file-management functions?

FTP

What are two examples of peripheral output devices?

Headphones & printer

What two pieces of information should a help desk technician document while trouble shooting connectivity issues with an end user?

If the user can ping the default gateway address & whether the PC uses dynamic or static IP addressing

A home user was successfully browsing the Internet earlier in the day but is now unable to connect. A ping command from a wireless laptop to a wired PC in the LAN is successful, but the nslookup command fails to resolve a website address. The user decides to analyze the LEDs on the Linksys router to verify connectivity. Which LED should be of main concern in this situation?

Internet LED

What two commands can be used to form a new binding if client information does not agree with the DHCP client table?

Ipconfig/release & ipconfig/ renew

Which value would be considered the physical address for data that is sent across an Ethernet segment?

MAC Address

An organization needs to connect PC systems that use private IP addressing to the Internet. The organization has multiple systems that need to access the Internet, but were only able to purchase one public IP address. What should be activated on the Linksys integrated router to achieve this goal?

NAT

Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is the first thing that should be checked if using a bottom-up trouble shooting approach?

The link status LED on the front of the router.

What is specified by the network number in an IP address?

The network to which the host belongs.

Why would a corporate web server be assigned a public IP address instead of a private IP address?

The public IP address can be routed on the internet.

What is an advantage of purchasing a custom built computer?

The user can specify high-performance components to meet specific needs.

Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?

The wireless connection is good.

How do ISPs obtain public IP addresses?

They obtain the address from the internet registry

When terminating a UTP cable, why is it important to push the wires all the way into the end of the connector?

To ensure good electrical contact

What is a function of NAT when it is configured on a firewall appliance?

Translates an internal address of group of addresses into an outside, public address that is sent across the network.

Two switches are interconnected in the same wiring closet. What type of cable is typically used for this connection?

UTP crossover

Some new features are available for the OS that is currently running on a user's PC. What method should be chosen so that the user can install these new feature sets?

Upgrade

Which two componnents are necessary for a wireless client to be installed on a WLAN?

Wireless NIC & wireless client software

Which wireless protocol is used for encryption?

WEP

What destination IP address is used in a unicast packet?

a specific host

A network designer is working with a small company to determine the network type best suited to the needs of the company. Which two characteristics could the designer use to describe peer-to-peer network to the owner of the company?

easy to install & low cost

What is the purpose of assigning a network name of University?

it identifies the wireless LAN

When NAT is employed in a small office, which address is typically used for hosts on the local LAN?

private IP addresses

What is true about a wireless access point that is equipped with an omnidirectional antenna?

radiates the signal in all directions.