Tugas JARKOM I Chapter 4

Chapter 4 - Connecting to the Internet Through an ISP

1. Which definition describes the term Internet?

	a group of PCs connected together on a LAN
	a group of PCs connected together by an ISP
	a network of networks that connects countries around the world
	a worldwide collection of networks controlled by a single organization

2. What type of connection point is a point of presence (POP)?

	between a client and a host
	between two local networks
	between a computer and a switch
	between an ISP and a home-based LAN

3. What is the term for the group of high-speed data links that interconnect ISPs?

	Internet LAN
	ISP backbone
	Internet gateways
	Internet providers
	Internet backbone

4. Which device can act as a router, switch, and wireless access point in one package?

	hub
	bridge
	modem
	repeater
	ISR

5. What are three characteristics of business class ISP service? (Choose three.)

	fast connections extra web space free Windows upgrade
	fast connections cheapest cost available to all users free Windows upgrade
	fast connections extra web space cheapest cost available to all users
	fast connections cheapest cost available to all users additional e-mail accounts
	replacement hardware at no cost additional e-mail accounts cheapest cost available to all users
	fast connections extra web space additional e-mail accounts

6. What is a major characteristic of asymmetric Internet service?

	Download speeds and upload speeds are equal.
	Download speeds are slower than upload speeds.
	Upload speeds and download speeds are different.
	Upload speeds and download speeds are irrelevant.

7. Which three elements are required to successfully connect to the Internet? (Choose three.)

	an IP address file sharing enabled a network connection
	a network connection server services enabled access to an Internet service provider
	access to an Internet service provider an address obtained directly from the RIR server services enabled
	an IP address a network connection access to an Internet service provider
	file sharing enabled server services enabled an address obtained directly from the RIR

8. What term describes each router through which a packet travels when moving between source and destination networks?

	NOC
	ISP
	hop
	segment

9. What does the tracert command test?

	NIC functionality
	the ISP bandwidth
	the network path to a destination
	the destination application functionality

10. What type of end-user connectivity requires that an ISP have a DSLAM device in their network?

	analog technology
	cable modem technology
	digital subscriber line technology
	wireless technology

11. Why would an ISP require a CMTS device on their network?

	to connect end users using cable technology
	to connect end users using analog technology
	to connect end users using wireless technology
	to connect end users using digital subscriber line technology

12. Refer to the graphic. What type of cabling is shown? 

	STP
	UTP
	coax
	fiber

13. Refer to the graphic. What type of cabling is shown? 

	STP
	UTP
	coax
	fiber

14. Which two places are most appropriate to use UTP cabling? (Choose two.)

	between buildings in a home office network
	in a home office network where EMI is an issue
	where EMI is an issue in a cable TV network
	in a cable TV network inside a school building
	inside a school building in a manufacturing environment with hundreds of electrical devices
	in a home office network inside a school building

15. What does adherence to cabling standards ensure?

	data security
	no loss of signal
	no electromagnetic interference
	reliable data communications

16. Refer to the graphic. What type of cable is shown?

 

	crossover
	eight coax channels
	multimode fiber
	single-mode fiber
	straight-through

17. What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?

	ST
	BNC
	RJ-11
	RJ-45

18. Which two characteristics describe copper patch panels? (Choose two.)

	uses RJ-11 jacks uses RJ-45 jacks
	uses RJ-45 jacks supports only data transmissions
	supports only data transmissions allows quick rearrangements of network connections
	allows quick rearrangements of network connections uses RJ-45 jacks
	supports only data transmissions forwards transmissions based on MAC addresses

19. What are two advantages of cable management? (Choose two.)

	requires no preplanning aids in isolation of cabling problems
	aids in isolation of cabling problems protects cables from physical damage
	protects cables from physical damage provides compliance with future standards
	provides compliance with future standards provides a short-term solution for cable installation

20. What are two common causes of signal degradation when using UTP cabling? (Choose two.)

	installing cables in conduit having improper termination
	having improper termination losing light over long distances
	losing light over long distances installing low quality cable shielding
	installing low quality cable shielding using low quality cables or connectors
	having improper termination using low quality cables or connectors

21. What are three commonly followed standards for constructing and installing cabling? (Choose three.) 

	pinouts cable lengths connector color
	connector color connector types cost per meter (foot)
	pinouts cable lengths connector types
	cable lengths connector types tensile strength of plastic insulator
	tensile strength of plastic insulator pinouts connector color