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					                TestKing Nortel 920-251 Exam Questions & Answers


Exam number/code: 920-251
Exam name: Alteon
Questions & Answers: 77 Q&A
Related Certifications: NCSS

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               TestKing Nortel 920-251 Exam Questions & Answers

  Exam: 920-251 Certification Questions & Answers

Question 1:

After upgrading from Version 1 to Version 2, what changes do you make to the Alteon web
switch attached to the ISD-SSLs?

A. None
B. Give new IP addresses to the ISD-SSLs
C. Assign the ISD-SSLs to a new server group
D. Turn off ISD processing and IP numbering

Answer: D

Question 2:

Which two parameters must be the same for all switches able to become master for a given
Virtual interface Router (VIR)?

a. interface IP address for the VIR subnet
b. VRID for the VIR
c. IP address for the VIR
d. Priority for the VIR

Answer: B,C

Question 3:

Select the two actions that could help with boot problems.

A. Select a different software image
B. Boot the "SYSTEM" config block
C. Check the LED patterns
D. Recalculate Kernel Magic

Answer: A,C

Question 4:

After a Virtual Service Router (VSR) has been created, which can only the master do?

A. process packets destined for the VIP
B. host a telnet session
C. respond to ARP requests
D. keep track of available real servers

Answer: C

Question 5:

Which of the following are checked using the default Firewall load-balancing (FWLB) health
                  TestKing Nortel 920-251 Exam Questions & Answers
A. Clean-side Firewall interface
B. Dirty-side Firewall interface
C. Opposing-side switch availability
D. Static route traffic

Answer: A,B,C

Question 6:

Which command tells you the software versions in all images currently on the switch?

A. /info/dump
B. /cfg/dump
C. /cfg/sys/cur
D. /boot/cur

Answer: D

Question 7:

Select two valid characteristics of content identifiers such as URLs.

A. be of varying length
B. appear at unpredictable locations within a request
C. be interrupted by VLAN tagging
D. be terminated by VLAN tagging

Answer: A,B

Question 8:

What could cause switches to improperly redirect traffic?

A. IP forwarding is turned ON.
B. Filtering is not enabled on the correct port.
C. RTS is not enabled on the correct port.
D. Packets are being rejected at the VIP.

Answer: B,C

Question 9:

The Web OS provides extensions to the Virtual Router Redundancy Protocol (VRRP). Select
two that are true extensions.

A. Virtual Server Routers
B. Tracking
C. Sharing of virtual router ID
D. Advertisement messages

Answer: A,B

Question 10:
                 TestKing Nortel 920-251 Exam Questions & Answers
Which command causes the switch to immediately dump state information to flash memory
and automatically reboot?

A. /maint/dump
B. /maint/panic
C. /maint/tsdmp
D. /maint/ptdmp

Answer: B

Question 11:

Select two actions to take following switch panic.

A. Reset the switch
B. Use/maint/cldmp to clear the flash region
C. Use/maint/uudmp to extract the dump for analysis
D. Clear the statistic

Answer: B,C

Question 12:

Which two are enabled by default for a Virtual Router (VR)?

A. Tracking
B. Pre-emption
C. Sharing
D. Hot standby

Answer: B,C

Question 13:

Which commend changes the realserver port to 8080?

A. /cfg/slb/virt<virt number>/service <service number>/rport 8080
B. /cfg/slb/real<real number>/service <service number>/rport 8080
C. /cfg/slb/virt<virt number>/service <service number>/sport 8080
D. /cfg/slb/group<group number>/service <service number>/rport 8080

Answer: A

Question 14:

Which two metrics are supported in intrusion Detection System load balancing?

A. Minmisses
B. Leastconns
C. Roundrobin
D. Response

Answer: A,C
               TestKing Nortel 920-251 Exam Questions & Answers
Question 15:

Select two that apply for the Global Server Load Balancing (GSLB) Process.

A. Sites redirect traffic if all local servers are down
B. Sites redirect traffic if all local servers are at max connections
C. Each GSLB site acts as an NIS server for the sub-domain being load balanced
D. Each GSLB site will return its own VIP in response to DNS queries

Answer: A,B

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