Tcp/ip for Networking professionals (050-649) Free Practice Test

Question 1

Which statements are true regarding Network Time Protocol (NTP)? (Choose 3.)

A. NTP uses the ICMP Timestamp message.

B. NTP specifies the precision of the local clock.

C. NTP specifies the synchronizing algorithms for network clocks.

D. NTP uses UDP.

E. NTP specifies the estimated error of the reference clock.

Correct Answer: B,D,E

Question 2

Which statements are true regarding enabling poison reverse on a RIP network? (Choose
2.)

A. It simplifies the routing tables.

B. It reduces convergence time.

C. It decreases RIP traffic.

D. It addresses the count-to-infinity problem.

Correct Answer: B,D

Question 3

Which command-line UNIX tool should you use to monitor network traffic?

A. TCPDUMP

B. ARPWATCH

C. WHOIS

D. TRACEROUTE

Correct Answer: A

Question 4

You are designing an IP addressing strategy for your network. Currently you need to support 100 mobile users. Which addressing strategy would work well in your environment?

A. Dynamic addressing for all network nodes

B. Dynamic addressing for routers and servers with static addressing for other nodes

C. Static addressing for all network nodes

D. Static addressing for routers and servers with dynamic addressing for other nodes

Correct Answer: D

Question 5

Which firewall consists of a host system with two network interfaces with routing disabled?

A. Screened subnet

B. Bastion host

C. Screened host

D. Tri-homed host

E. Dual-homed host

Correct Answer: E

Question 6

Which statement describes snooping?

A. Falsifying the source address in a packet

B. Decrypting a user's password using the private key

C. Accepting all packets being transmitted on the network, regardless of the destination address

D. Flooding the network with traffic

Correct Answer: C

Question 7

What error symptom could you see on a network if a web server fails?

A. A high rate of ICMP port unreachable packets

B. Numerous unanswered ARP broadcasts

C. Dynamically added route entries

D. Reachability with IP addresses but not host names

Correct Answer: A

Question 8

Assuming addresses of all zeros and all ones are not used, how many hosts are allowed on a class C IP network that uses supernetting and a subnet mask of 255.255.248.0?

A. 510

B. 516

C. 4094

D. 254

E. 1022

F. 2046

G. 260

Correct Answer: F

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Novell Tcp/ip for Networking professionals (050-649) Free Practice Test