Question 1.
What Class D IP address range is reserved for Multicast packets?

A. 224.0.0.0 through 239.0.0.0
B. 224.255.255.255 through 239.255.255.255
C. 222.0.0.0 through 224.255.255.255
D. 224.0.0.0 through 239.255.255.255

Answer: D

Question 2.
What is the correct order of attribute comparison for local BGP route selection?

A. Local preference, then AS path, then origin type, then MED value
B. Origin type, then MED value, then local preference, then AS path
C. AS path, then local preference, then origin type, then MED value
D. MED value, then origin type, then local preference, then AS path

Answer: A

Question 3.
Which two is true of Line Rate? (Choose two.)

A. It limits the rate of input of all classified traffic on an interface
B. Line Rate is a special case of Traffic Shaping
C. Line Rate is a special case of Traffic Policing
D. It limits the rate of input of all traffic on an interface, irrespective of any classification
E. It limits the rate of output of all classified traffic on an interface
F. It limits the rate of output of all traffic on an interface, irrespective of any classification

Answer: B, F

Question 4.
Which of the following is not an OSPF packet type?

A. Link-state request
B. Hello
C. Database description
D. Goodbye
E. Link-state acknowledgment

Answer: D

Question 5.
Which 3COM router supports both SIC and MIM modules?

A. 4300
B. 5012
C. 6040
D. 5682
E. 6080

Answer: B

Question 6.
Which type of Virtual Circuits does the Router 6000 family support?

A. PVCs only
B. SVCs only
C. PVCs and SVCs

Answer: A

Question 7.
In V2.x code on a 3Com 5000 or 6000 series router, which is NOT provided by Application Specific Packet Filtering (ASPF)?

A. Defense against Denial of Service (DoS) attacks
B. Site and content blocking
C. Enhanced session logging
D. Java Blocking
E. Support for Port to Application Mapping (PAM)

Answer: B

Question 8.
Which three are true of traditional, best-effort forwarding? (Choose three.)

A. All applications are equally likely to be affected by congestion
B. Queuing of packets is first in, first out (FIFO)
C. All packets have equal rights to network resources
D. Packets using TCP are less likely to dropped than packets using UDP
E. Packets from a higher performance NIC are less likely to be dropped

Answer: A, B, C

Question 9.
Which three protocols are used for creating Virtual Private Networks (VPNs)? (Choose three.)

A. Dynamic Security Link
B. Generic Routing Encapsulation (GRE)
C. Network Address Translation (NAT)
D. Layer 2 Tunneling Protocol (L2TP)
E. IP Security (IPSec)
F. Challenge Handshake Authentication Protocol (CHAP)

Answer: B, D, E

Question 10.
In software version 2.x code on a 3Com 5000 or 6000 series router, a Low Latency Queue has been added to one of the other queuing mechanisms, to better support delay-sensitive applications. 

Which is the queuing mechanism that has been enhanced in this way?

A. FIFO Queuing
B. Weighted Fair Queuing
C. Class Based Queuing
D. Fair Queuing
E. Priority Queuing
F. Custom Queuing

Answer: C

Question 11.
Dialer Listen backup works with static and dynamic routing.

A. False
B. True

Answer: A

Question 12.
Dialer Backup can be configured using Circular DCC, but not using Resource-Shared DCC

A. False
B. True

Answer: B

Question 13.
Which three statements are true for Traffic Policing? (Choose three.)

A. It is used to adjust the output rate
B. Non-complying traffic is always buffered
C. It may increase network delay for some packets
D. It is used to adjust the input rate
E. It may cause higher layers to resend
F. Non-complying traffic is always dropped or remarked

Answer: D, E, F

	Web www.certsbraindumps.com