QUESTION 11

What fields are used in the Frame Relay format to deal with congestion issues:

	a.	FECN
	b.	BECN
	c.	DE
	d.	All of the above
	e.	None of the above

2 points

QUESTION 12

Secret entry point into a program that allows someoneto gain access without going through the usual security access procedures

	a.	Back door
	b.	Trojan horse
	c.	Logic bomb
	d.	Maintenance hook
	e.	a and d

2 points

QUESTION 13

COAX cable is:

	a.	More susceptible to interference and crosstalk than twisted pair
	b.	More expensive than STP but provides greater capacity
	c.	Is used in the old category 5 cables
	d.	All of the above

2 points

QUESTION 14

Elastic Internet traffic includes:

	a.	Email
	b.	Network management
	c.	Video
	d.	All of the above
	e.	a and b above

2 points

QUESTION 15

Real Time Variable Bit Rate (RTV-br):

	a.	Transmits at a rate that varies with time.
	b.	Allows the network less flexibility than CBR (Constant Bit Rate)
	c.	Prevents 'bursty' traffic
	d.	Allof the above
	e.	None of the above

2 points

QUESTION 16

The default mask for a class-C address is:

	a.	255.0.0.0
	b.	255.255.0.0
	c.	255.255.255.0
	d.	255.255.255.255
	e.	0.0.0.255

2 points

QUESTION 17

Performancemanagement includes:

	a.	Startup (initialization) and graceful shutdown of network components.
	b.	Maintaining and monitoring audit trails (logging).
	c.	Monitoring utilization and response time of network components.
	d.	Fault detection and correction.

2 points

QUESTION 18

SNMPv3adds what services to SNMPv1 and SNMPv2?

	a.	GetNextRequest and GetBulkRequest
	b.	InformRequest and TrapPDU
	c.	Privacy and Authentication
	d.	Access control
	e.	candd above
	f.	a and b above

2 points

QUESTION 19

Prim's algorithm to find a minimum spanning tree during topological design of a network is an example of what type of design algorithm?

	a.	Exact, slow algorithm.
	b.	Exact fast algorithm.
	c.	Heuristic algorithm.
	d.	Approximate algorithm.

2 points

QUESTION 20

Virtual Private LAN Services:

	a.	Uses Frame Relay
	b.	Operates at layer 3
	c.	Operates at layer 2
	d.	Uses MPLS
	e.	a and b above
	f.	c and d above