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2013年9月29日星期日

642-732 dernières questions d'examen certification Cisco et réponses publiés

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Code d'Examen: 642-732
Nom d'Examen: Cisco (Conducting Cisco Unified Wireless Site Survey (CUWSS) v2.0)
Questions et réponses: 110 Q&As

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NO.1 The customer had a 802.11b/g WLAN site survey and installation two years ago with the final service
performing as expected. Since that time, the customer has experienced modest customer growth while
maintaining employee headcount. New wireless applications are being evaluated along with a possible
temporary headcount increase, but the current WLAN performance has noticeable performance
degradation. What is the most likely cause of the WLAN performance problems.?
A. They have added a second microwave to the break room.
B. A new coffee shop with a wireless hotspot has opened across the street.
C. The customer has expanded their shipping capacity by 50%.
D. Employees are now using their smart phones and tablets in the office.
Answer: D

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NO.2 During the site survey kick-off meeting with your customer, they ask why you need to verify the existing
network infrastructure. Which two reasons do you give them? (Choose two.)
A. You need to verify the make, model, and software versions of all the equipment that will connect to the
WLAN components in order to ensure compatibility.
B. You need to verify that the equipment the WLAN components will connect to has sufficient memory
capacity to support the additional WLAN connections.
C. You need to verify that there are sufficient switch ports to support the new WLAN connections.
D. You need to verify that the switches the WLAN components will connect to can supply 802.3af inline
power, and that they have sufficient ports to support all the new WLAN devices.
E. Depending on the type of APs that are planned for, the deployment may require different types of PoE
to be supplied by the LAB switches.
Answer: C,D

Cisco examen   642-732   certification 642-732   642-732

NO.3 What is the recommended method to protect a wireless outdoor bridge from lightning?
A. Install the wireless outdoor bridge in a grounded NEMA enclosure.
B. Install the wireless outdoor bridge inside a building if possible and only have the antenna outside.
C. Install a fiber-optic link between the wireless outdoor bridge and the antenna.
D. Install a one-meter segment of fiber-optic cable with a copper-to-fiber-optic transceiver to isolate the
wireless outdoor bridge from the network cable plant.
E. Install a protection frame in the copper portion of the network cable plant to act as a lighting arrestor.
Answer: D

Cisco examen   642-732   642-732   642-732

NO.4 The customer has an existing 802.11b/g network with Cisco 2500 controllers. The customer would like
to migrate to an 802.11a/b/g/n WLAN. Which network infrastructure issue might impact client performance
in this proposed controller-based solution?
A. The additional application load placed on servers by 802.11n clients.
B. A bottleneck may occur if the access switch port to the AP only supports 100 Mb/s full duplex.
C. The additional load placed on a RADIUS server by 802.1X authentication traffic on the first work day of
each week.
D. The added delay WDS imposes on the client when they roam from one AP to another.
Answer: B

Cisco examen   642-732   642-732   642-732

NO.5 Which three components and tasks should be considered while planning the site survey? (Choose
three.)
A. Determine the project scope, type of deployment, timeline, scale, budget, and users
B. Determine project stakeholders
C. Determine customer training requirements
D. Determine AP and controller placement
E. Determine the customer applications that the network will support
F. Determine radiospectrum and channel allocation
G. Schedule customer end user interviews
Answer: A,B,E

Cisco   certification 642-732   certification 642-732   642-732

NO.6 You are working with a client that owns a six-story building in Charlotte, N.C. They occupy the bottom
three floors, and currently have a wired LAN. They have contacted you to perform a WLAN site survey of
their facility. Which three issues do you need to take into consideration before performing the site survey?
(Choose three.)
A. How many other organizations occupy the building?
B. Does the customer facility have a multistory atrium or lobby?
C. Protocol type required, client types in place, and client density?
D. Is WLAN coverage required in the elevators?
E. How many equipment closets do they have per floor and does the infrastructure all run back to a
central location?
F. How much signal bleedthrough is permissible between floors?
G. How much WLAN experience does the customer IT staff have?
Answer: B,C,D

Cisco examen   642-732   certification 642-732

NO.7 Which two issues do access and backhaul radios experience in mesh networks? (Choose two.)
A. The access radio has to connect to two or several points.
B. The access cell usually covers more area at ground level that may have more sources of reflection and
interference.
C. The access cell radio range is larger than the backhaul radio range, which causes the backhaul cell
radio to suffer from more interference.
D. Backhaul radios are a bottleneck for throughput.
E. RAPs help MAPs avoid coverage holes.
Answer: B,D

Cisco   certification 642-732   642-732

NO.8 An initial meeting has been scheduled for a proposed site survey of a customer headquarters location.
Which four types of information would be valuable to collect prior to the formal kickoff meeting? (Choose
four.)
A. Site type (urban, suburban, external environmental sensitivity, etc.)
B. Business type
C. Number of years in business
D. Number of customers
E. Products and services produced
F. Building type
G. Plans for branch expansion
H. Number of branch locations
Answer: A,B,E,F

Cisco   642-732 examen   certification 642-732   certification 642-732   642-732   642-732

NO.9 Which option allows the maximum 2.4-GHz channel usage for a survey and data deployment in the
ETSI domain?
A. 1, 6, 11
B. 1, 5, 9, 13
C. 1, 6, 9, 14
D. 1, 6, 11, 14
Answer: B

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NO.10 After having the kick-off meeting for a new site survey project with your customer, which three factors
need to be considered prior to beginning a WLAN site survey? (Choose three.)
A. Will an additional trip to the facility to perform the initial walkthrough be required?
B. How much time should be allocated to survey the locations for the controllers?
C. Will any additional regulatory or safety training be required to complete the site survey?
D. Is access available to all areas of the customer facility where the WLAN is planned to be deployed?
E. Which types of controllers and switches will be required to fully conduct the site survey in all areas of
the customer facility?
F. Is access available to customer employees so that initial interviews can be performed?
Answer: A,C,D

Cisco   certification 642-732   642-732   certification 642-732   642-732 examen   642-732

NO.11 You have a multinational customer that would like you to perform a wireless site survey for a new
manufacturing facility in Singapore. They have had a local vendor install a point-to-point wireless bridge
link between two buildings 1 km apart. The ground between the buildings is flat but because facilities are
in the mountains, dense fog is an issue. There are no line of sight issues between the buildings. The link
is experiencing errors and throughput issues. Currently the two radios are set to operate at 2.4 GHz and
the transmit power is set to 7 dBm with 7 dBm antennas. What do you need to take into consideration
when performing the site survey for this link?
A. Change the radio power to 17 dBm.
B. Change the radio power to 20 dBm and replace with a 16 dBm antenna.
C. Change the radio power to 29 dBm.
D. Change the radio power to 13 dBm.
Answer: D

certification Cisco   642-732   642-732

NO.12 When planning to perform a customer WLAN site survey, which three components and tasks should be
considered? (Choose three.)
A. Schedule a meeting with the customer to discuss the Statement of Work
B. Complete the Pre-Survey Customer Questionnaire
C. Schedule customer end user interviews
D. Consider travel, access, and equipment requirements necessary to perform the site survey
E. Schedule initial customer meeting and pre-survey walkthrough events
F. Determine radiospectrum and channel allocation
G. Determine AP and controller placement
H. Determinecustomer training requirements
Answer: B,D,E

Cisco examen   642-732   642-732 examen   642-732 examen   642-732 examen

NO.13 Which three statements describe WLAN RF interaction with environmental situations? (Choose three.)
A. Outdoor rain or indoor humidity affects diffraction.
B. Outdoor rain or indoor humidity affects attenuation.
C. RF frequency is inversely related to attenuation.
D. RF frequency is directly related to attenuation.
E. The human body affects diffusion.
F. The human body affects attenuation.
Answer: B,D,F

certification Cisco   642-732   642-732   certification 642-732   642-732

NO.14 Which wireless tool would be most useful in planning a WLAN solution prior to performing a site
survey?
A. Ekahau Survey
B. Air Magnet Survey
C. Air Magnet Wi-Fi Analyzer
D. Cisco Spectrum Expert
E. Cisco WCS
Answer: E

Cisco   certification 642-732   642-732 examen   642-732

NO.15 You have been contacted by a medium-sized hospitality company that has 50 hotels. They would like to
upgrade their existing WLAN in each hotel to 802.11n. While performing the site surveys for each hotel,
what are the issues that you need to take into consideration when determining the locations for each AP?
A. Selecting AP locations where power is already available.
B. Selecting APs that can be hidden in ceiling panels to provide a secure and clean aesthetic look.
C. Selecting locations that are easily accessed so maintenance and upgrades can be performed quickly.
D. Selecting locations that make visual assessment of the AP operation easy.
Answer: B

Cisco   642-732 examen   642-732   642-732

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2013年7月24日星期三

Cisco 640-875 650-303 642-742 642-732 640-722 examen pratique questions et réponses

Le test Certification Cisco 640-875 650-303 642-742 642-732 640-722 est une chance précieuse à augmenter vos connaissances de technologie informatique dans l'industrie IT. Il attire beaucoup de professionls à participer ce test. Pass4Test peut vous offrir les outils de formation particuliers à propos de test Cisco 640-875 650-303 642-742 642-732 640-722. Vous réaliserez plus tôt votre rêve avec la Q&A écrite par l'équipe professionnelle de Pass4Test. Pass4Test se contribue à vous donner un coup de main pour réussir le test Cisco 640-875 650-303 642-742 642-732 640-722.


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Code d'Examen: 640-875

Nom d'Examen: Cisco (Building Cisco Service Provider Next-Generation Networks, Part 1)

Questions et réponses: 105 Q&As

Code d'Examen: 650-303

Nom d'Examen: Cisco (PASCERSE - Cisco SaaS Conferencing and EIM Resale ATP for the SE Exam )

Questions et réponses: 56 Q&As

Code d'Examen: 642-742

Nom d'Examen: Cisco (Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0)

Questions et réponses: 70 Q&As

Code d'Examen: 642-732

Nom d'Examen: Cisco (Conducting Cisco Unified Wireless Site Survey (CUWSS) v2.0)

Questions et réponses: 110 Q&As

Code d'Examen: 640-722

Nom d'Examen: Cisco (Implementing Cisco Unified Wireless Networking Essentials v2.0)

Questions et réponses: 154 Q&As

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NO.1 Which three physical lines can provide local or remote access to a Cisco router or switch? (Choose
three.)
A. console port
B. modem port
C. virtual terminal lines
D. switch fabric interface
E. aux port
F. managementEthernet0/RSP0/CPU0/0
Answer: AEF

Cisco   certification 640-875   certification 640-875   640-875 examen

NO.2 When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default?
A. no auto-summary
B. stub routing
C. unequal cost paths load-balancing
D. no ip eigrp split-horizon
E. eigrp authentication
Answer: A

Cisco   640-875 examen   640-875   640-875   640-875

NO.3 Which three statements about the ARP function are true? (Choose three.)
A. ARP is used to determine an IP address.
B. An ARP request is broadcast at Layer 3.
C. An ARP response is broadcast at Layer 2.
D. ARP tables are maintained on Layer 3 devices.
E. The destination MAC address of an ARP request is that of the ARP responder.
F. ARP requests are broadcast at Layer 2.
G. ARP resolves MAC addresses to NET addresses.
H. ARP uses 0x0806 as the Type field in an Ethernet frame.
Answer: DFH

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NO.4 Refer to the exhibit.
Company 1 has merged with Company 2. Company 1 is using RIPv2 as its IGP and Company 2 is using
EIGRP as its IGP. EIGRP also is running between R1 and R2 over the WAN link.
Which action must be taken to allow these two configurations?
The Company 1 RIP routes appear as external EIGRP routes within Company 2.
The Company 2 EIGRP routes appear as RIPv2 routes within Company 1.
A. Enable RIPv2 on the R2 router.
B. Enable RIPv2 on the R2 router and on all internal routers of Company 2. Enable EIGRP on all internal
routers of Company 1.
C. Configure mutual route redistribution between RIPv2 and EIGRP on the R1 and R2 routers.
D. Configure mutual route redistribution between RIPv2 and EIGRP on the R1 router.
E. Configure mutual route redistribution between RIPv2 and EIGRP on the R2 router.
Answer: D

Cisco   certification 640-875   640-875   640-875 examen

NO.5 Which two statements about IPv4 DHCP operations are true? (Choose two.)
A. If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate
between the clients and servers.
B. The DHCP server that receives a DHCPDISCOVER message may respond with a DHCPOFFER
message on UDP port 67.
C. A client can receive DHCPOFFER from multiple servers and it can accept all the offers by broadcasting
the DHCPREQUEST message to all the servers.
D. A DHCP relay is required if the DHCP clients and the servers are on the same subnet.
E. If the client and server are on different subnets, DHCPDISCOVER and DHCPREQUEST messages
are sent via UDP broadcasts, but DHCPOFFER and DHCPACK messages are unicast.
F. The client broadcasts a DHCPDISCOVER message on UDP port 68 with its own MAC address to
discover available DHCP servers.
Answer: AE

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NO.6 Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address
belongs to and the subnet broadcast IP address? (Choose two.)
A. 209.168.200.64 255.255.255.224
B. 209.168.200.96 255.255.255.224
C. 209.168.200.128 255.255.255.224
D. 209.168.200.95
E. 209.168.200.127
F. 209.168.200.159
Answer: CF

Cisco   640-875   certification 640-875   640-875

NO.7 You are having problems browsing to http://www.cisco.com from your laptop that is running Windows.
Your laptop is connected directly to a default gateway, which is a Cisco ISR G2 router. Which four options
are the basic troubleshooting steps that you should use to troubleshoot this issue? (Choose four.)
A. Issue the ipconfig command from the Windows command line on your laptop to determine your laptop
IP address and the default gateway IP address.
B. Issue the ipconfig /all command from the Windows command line on your laptop to determine the DNS
server IP address.
C. Issue the ping {default gateway IP address} command from the Windows command line on your laptop
to verify connectivity to the default gateway.
D. Issue the ping {DNS server IP address} command from the Windows command line on your laptop to
verify connectivity to the DNS server.
E. Issue the ping tcp www.cisco.com 80 command from the Windows command line on your laptop to
verify TCP port 80 connectivity to the www.cisco.com server.
F. From the ISR G2 CLI, issue the ping tcp www.cisco.com 80 command to verify TCP port 80 connectivity
to the www.cisco.com server.
G. From the ISR G2 CLI, issue the ISR-G2#tracert www.cisco.com command to verify connectivity to the
www.cisco.com server.
H. From the ISR G2 CLI, issue the ISR-G2#nslookup www.cisco.com command to determine the IP
address of the www.cisco.com server.
Answer: ABCD

Cisco   certification 640-875   640-875   certification 640-875   640-875

NO.8 Which statement about IPv6 global unicast addresses is true.?
A. The first 3 bits is 001.
B. The first 4 bits is 0011.
C. The first 4 bits is 1111.
D. The first 16 bits is FE80 in hex.
E. The first 16 bits is FF00 in hex.
F. The first 16 bits is 2002 in hex.
G. The first 16 bits is 3FFE in hex.
Answer: A

Cisco   640-875 examen   640-875   640-875

NO.9 This show output is from the S7 Cisco Metro Switch and the PE7 Cisco ASR 9000 Series Router. Which
configuration change(s) is/are needed to bring the S7 FastEthernet 0/2 interface into the up/up state?
S7#show cdp neighbors
<OUTPUT OMITTED>
*Mar 20 21:28:02.177: %ETHCNTR-3-HALF_DUX_COLLISION_EXCEED_THRESHOLD:
Collisions at FastEthernet0/2 exceed threshold. Considered as loop-back.
*Mar 20 21:28:02.177: %PM-4-ERR_DISABLE: loopback error detected on Fa0/2, putting Fa0/2 in
err-disable state
*Mar 20 21:28:03.184: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed
state to down
S7#show interface fa0/2
FastEthernet0/2 is down, line protocol is down (err-disabled)
Hardware is Fast Ethernet, address is e8ba.70b5.6c04 (bia e8ba.70b5.6c04)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Half-duplex, 10Mb/s, media type is 10/100BaseTX
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:40, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
484423 packets input, 39349929 bytes, 0 no buffer
Received 484423 broadcasts (167203 multicasts)
0 runts, 0 giants, 0 throttles
1 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 167203 multicast, 0 pause input
0 input packets with dribble condition detected
972398 packets output, 128931949 bytes, 0 underruns
0 output errors, 46 collisions, 4 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
RP/0/RSP0/CPU0:PE7#show interfaces gi0/0/0/0
GigabitEthernet0/0/0/0 is down, line protocol is down
Interface state transitions: 4
Hardware is GigabitEthernet, address is 4055.392f.40a8 (bia 4055.392f.40a8)
Internet address is 192.168.107.70/24
MTU 1514 bytes, BW 100000 Kbit (Max: 100000 Kbit)
reliability 255/255, txload 0/255, rxload 0/255
Encapsulation ARPA,
Full-duplex, 100Mb/s, THD, link type is force-up
output flow control is off, input flow control is off
loopback not set,
ARP type ARPA, ARP timeout 04:00:00
Last input 00:00:00, output 00:00:35
Last clearing of "show interface" counters never
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
972551 packets input, 128953765 bytes, 729 total input drops
172486 drops for unrecognized upper-level protocol
Received 0 broadcast packets, 800781 multicast packets
0 runts, 0 giants, 0 throttles, 0 parity
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
484545 packets output, 39360900 bytes, 0 total output drops
Output 317283 broadcast packets, 167262 multicast packets
0 output errors, 0 underruns, 0 applique, 0 resets
0 output buffer failures, 0 output buffers swapped out
4 carrier transitions
A. Enable loopback line on the S7 Fa0/2 interface then shut and no shut the Fa0/2 interface.
B. Enable duplex half on the PE7 Gi0/0/0/0 interface then shut and no shut the Fa0/2 interface on S7.
C. Change S7 Fa0/2 interface to duplex full and speed 100 then shut and no shut the Fa0/2 interface.
D. Just need to no shut the Fa0/2 interface on S7.
E. Just need to shut and no shut the Fa0/2 interface on S7.
Answer: C

Cisco   640-875   640-875   640-875 examen

NO.10 If a bridge port is in the non-designated state, which two statements about spanning-tree operations on
this port are true? (Choose two.)
A. This port is in the Forwarding state.
B. This port sends BPDUs on the attached link.
C. This port has the lowest cost to the root bridge.
D. This port is considered the root port.
E. This port receives BPDUs.
F. This port is in the Blocked state.
Answer: EF

Cisco   certification 640-875   certification 640-875   640-875   certification 640-875

NO.11 Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP
address belongs to, the host IP address range on this subnet, and the subnet broadcast IP
address?(Choose three.)
A. subnet = 10.104.0.0/13
B. subnet = 10.106.0.0/13
C. subnet = 10.112.0.0/13
D. host IP address range = 10.104.0.1 to 10.111.255.254
E. host IP address range = 10.106.0.1 to 10.106.255.254
F. host IP address range = 10.106.0.1 to 10.119.255.254
G. subnet broadcast IP address = 10.106.255.255
H. subnet broadcast IP address = 10.111.255.255
I. subnet broadcast IP address = 10.119.255.255
Answer: ADH

Cisco   640-875   640-875 examen   640-875

NO.12 Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a
Cisco switch?
A. show ip interfaces fa0/1
B. show interfaces fa0/1
C. show interfaces fa0/1 switchport
D. show ip interfaces brief
E. show interfaces switchport
Answer: B

Cisco   640-875   640-875   640-875   640-875

NO.13 With IPv6, for which purpose are router solicitation and router advertisement used?
A. routing protocol updates
B. routing protocol neighbor peerings
C. router and prefix discovery
D. Layer 3 to Layer 2 address resolution (similar to IPv4 ARP)
Answer: C

Cisco examen   640-875 examen   640-875

NO.14 Which two statements about classful or classless routing protocol operations are true? (Choose two.)
A. Classful routing protocols do not send subnet mask information with their routing updates
B. Variable-length subnet masks are supported when using classful routing protocols.
C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, and IS-IS.
D. Classful routing protocols do not support discontiguous subnets.
Answer: AD

certification Cisco   640-875   640-875

NO.15 Refer to the exhibit.
Given the Class C IP network of 192.168.1.0, using VLSM, which five subnets meet the requirements in
the exhibit? (Choose five.)
A. 192.168.1.0/27
B. 192.168.1.32/27
C. 192.168.1.48/27
D. 192.168.1.48/28
E. 192.168.1.64/28
F. 192.168.1.80/28
G. 192.168.1.80/29
H. 192.168.1.88/30
I. 192.168.1.96/30
Answer: ABEFI

certification Cisco   certification 640-875   certification 640-875