Actualtests CCIE 350-022

Written by Cisco on October 6, 2008 – 1:09 am

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350-022 : CCIE Written, Service Provider: DSL Last Updated Friday, April 11, 2008 with 188 Questions
CCIE Written, Service Provider: DSL
Exam Number: 350-022 Exam
Associated Certifications: CCIE Written, Service Provider: DSL
Duration: 400 Q&As

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QUESTION 1:
Exhibit, excerpt from a “show run” display in a Cisco DSLAM.
You work as a network administrator at Certkiller .com. Referring to the output in the
exhibit, what is true?
A. The CPE DSL modem is using ATM VPI 2, VCI 32.
B. The CPE DSL modem is using ATM VPI 4, VCI 100.
C. The “dest-address” is the ATM NSAP address in the CPE DSL modem.
D. The destination address can be reached via AM VPI 2, VCI 32.
Answer: A
QUESTION 2:
Network topology exhibit
You work as a network engineer at Certkiller .com. You troubleshoot a connectivity
problem between Hosts Certkiller A and Certkiller B. The following conditions exist:
1. Host Certkiller A can ping the firewall, but cannot ping host Certkiller B
2. Host Certkiller B can both the firewall and www. Certkiller .com
3. The firewall can ping www. Certkiller .com
4. Host Certkiller C can ping the firewall and www. Certkiller .com
5. Host Certkiller A and Host Certkiller C have the same permissions on the firewall.
What is the most likely problem?
A. Routing protocols in the network are not set up properly, and not propagating across the
firewall.
B. Host Certkiller A has an incorrect default gateway configured.
C. Host Certkiller B has an incorrect default gateway configured.
D. Host Certkiller C has an incorrect default gateway configured.
E. The firewall has an incorrect default gateway configured.
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Answer: B
QUESTION 3:
Exhibit
You work as a network technician at Certkiller .com. A router has the above routes listed in
its routing table and receives a packet destined for 172.16.0.45.
What will happen?
A. The router will not forward this packet, since it is destined for the 0 subnet.
B. The router will forward the packet through 172.31.116.65, since it has the lowest metric.
C. The router will forward the packet through 10.1.1.1.
D. The router will forward the packet through 172.31.116.65, since it has the lowest
administrative distance.
E. The router will forward the packet through 192.168.1.4.
Answer: C
QUESTION 4:
Exhibit, Cisco DSLAM configuration
Exhibit, Configuration of a Cisco 2600 router with an ADSL WIC installed.
You work as a network engineer at Certkiller .com. The CPE is connected to DSLAM DSL
port 1/1 via a DSL line. The subscriber’s DSL service is not working correctly. Based on
the information shown in these two “show run” output messages, what is the subscriber’s
trouble symptom?
A. The ADSL WIC will not train up to the DSLAM
B. The subscriber can access the internet, but the data throughput is slower than it should be.
C. The ADSL WIC will train up to the DSLAM, but the subscriber can not access the internet.
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D. The subscriber can only access destination hosts on network 192.168.1.0
Answer: A
QUESTION 5:
You work as a network technician at Certkiller .com. A DSL modem will not train up. It is
on a “shared line” (DSL and POTS), and the telephone on the shared line is working
normally. Nine of the conditions are possible causes of the symptom, and one is not.
What is NOT a possible cause of the problem?
A. A defective DSL line card in the DSLAM
B. A defective DSL CPE modem
C. An open (cut or broken) tip or ring lead on the phone line between the customer premises and
the telco C.O
D. The DSL port in the DSLAM is in “shutdown” state.
E. The DSL port in the CPE DSL modem is in “shutdown” state.
F. The DSL operating mode in the DSLAM does not match the operating mode of the CPE DSL
modem.
G. A loose cable between the telco POTS splitter and DSLAM
H. A loose or broken connection between the DLS modem and the telephone line
I. An incorrectly connected POTS splitter between the DSL modem and the telephone line
J. A DSL microfilter was accidentally installed in the DSL line between the DSL modem and the
DSL line
Answer: C
QUESTION 6:
Your boss at Certkiller .com is curios about DSL. The following are distances used in
telephone company cables.
Which will allow the greatest “reach” (distance) in DSL service?
A. 24 AWG (0.5 mm)
B. 26 AWG (0.5 mm)
C. A line is 50% of #24 (0.5 mm) and 50% of #26 (0.4mm)
D. None of the above will allow enough reach for DSL service
Answer: A
QUESTION 7:
Network topology exhibit
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You work as a network technician at Certkiller .com. Assume IP Videoconference station A
places a 384 Kb call to IP Videoconference Station B and the Workstations are transferring
files bank and forth between themselves during the same time period.
What Cisco feature should be used on the both Routers Certkiller 3 and Certkiller 4 to avoid
unwanted jitter and guarantee the videoconference will get enough bandwidth for the
duration of the call?
A. Frame Relay Traffic Shaping (FRTS) with FRF 12 packet fragmentation
B. Generic Traffic Shaping (GTS) with FECN Rate Adaption activated
C. Bandwidth Guarantee for Videoconferencing (BGV)
D. Resource Reservation Protocol (RSVP)
E. Weighted Fair Queuing (WFQ) with IP Precedence
Answer: D
QUESTION 8:
In DMT DSL transmission systems, what is the effect of turning off half of the available
downstream carriers (tones)?
A. The downstream DSL bandwidth is reduced
B. The downstream line rate and throughput remains unchanged, but FEC efficiency is reduced.
C. The upstream DSL bandwidth can be increased, since more carriers become available for
upstream traffic.
D. Downstream RS error correction effectiveness is reduced.
Answer: A
QUESTION 9:
The major difference between DMT and CAP is:
A. CAP uses a single center frequency, DMT is multiple-carrier
B. DMT is single-carrier, CAP is multiple-carried
C. CAP is used in IDSL; DMT is used in ADSL
D. DMT is used in VDSL; CAP is used in ADSL
E. CAP is used in ADSL; DMT is used in SDSL
Answer: A
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QUESTION 10:
Your boss at Certkiller .com is curios about DSL. What does the TCP PUSH flag indicate?
A. The data in the TCP receive buffer should be sent to the application listening to this TCP
connection without waiting for further data.
B. Any data being buffered by routers between the source and destination for this connection
should be sent immediately.
C. The sender should make certain its send buffer is pushed onto the wire.
D. The session is about to end.
Answer: A