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Exam : Cisco 642-642
Title : Quality of Service (QOS)
1. For the following options, which of the following components of delay varies based on the varying sizes of packets sent through the network?
A. Codec delay
B. Serialization delay
C. Queuing delay
D. Propagation delay
Answer: B
2. As a candidate for CCVP exam, can you tell me what does a router base its opinion of how much bandwidth is available to a queuing tool on a serial interface?
A. The bandwidth command is required before a queuing tool knows how much bandwidth is available.
B. The automatically-sensed physical transmission rate on the serial interface.
C. The clock rate command is required before a queuing tool knows how much bandwidth is available.
D. Defaults to T1 speed, unless the bandwidth command has been configured.
Answer: D
3. WFQ(Weighted Fair Queuing) is a data packet scheduling technique allowing different scheduling priorities to statistically multiplexed data flows. For the following statements, what are two benefits of WFQ? (Choose two.)
A. WFQ is very easy to configure, and no manual traffic classification is necessary.
B. WFQ can provide fixed-delay guarantees.
C. WFQ can provide fixed-bandwidth and fixed-delay guarantees.
D. WFQ can provide fixed-bandwidth guarantees.
E. WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
Answer: AE
4. SLA(Service-Level Agreement) is a contract between a network service provider and a customer, which usually defines such terms as the type of service, the quality of service and the customer’s payment. In an unmanaged CE router implementation, how does the service provider enforce the SLA?
A. by using class-based policing on the CE to PE link to limit the customer’s input rate
B. by using class-based random discard on the CE to PE link to limit the customer’s input rate
C. by marking on the CE to PE link and using CBWFQ and CB-WRED on the PE to P link
D. by marking on the CE to PE link and using class-based policing on the PE to P link
Answer: A
5. After learning QoS, for the following options, Which of the following characterize problems that could occur with voice traffic when QoS is not applied in a network?(choose two)
A. Voice sounds choppy.
B. Calls are disconnected.
C. VoIP broadcasts increase as Queuing delay increases, causing delay and caller interaction problems.
D. Voice call requires more bandwidth as lost packets are retransmitted.
Answer: AB
6. Refer to the following parameters, which of the following are not traffic characteristics that can be affected by QoS tools?
A. Delay
B. MTU
C. Reliability
D. Bandwidth
Answer: C
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IBM Cognos 8 Controller Technical Specialist
Exam Number/Code : COG-205
Exam Name : IBM Cognos 8 Controller Technical Specialist
Questions and Answers : 47 Q&As
Update Time: 2009-11-14
Price: $ 239.00
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“IBM Cognos 8 Controller Technical Specialist”, also known as COG-205 exam, is a IBM certification.With the complete collection of questions and answers, Certinside has assembled to take you through 47 Q&As to your COG-205 Exam preparation. In the COG-205 exam resources, you will cover every field and category in IBM Cognos helping to ready you for your successful IBM Certification.
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Relates Certification
IBM
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Exam : 3COM 3M0-600
Title : 3Com Wireless Specialist Final Exam
Update Time : 2009-11-17
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1. Which antenna type is typically used indoors to provide large coverage areas within a building?
A. Dipole antenna
B. Omnipole antenna
C. Yagi or semi-directional antenna
D. Patch panel or parabolic antenna
Answer: B
2. Which two are features of a Wireless LAN (WLAN) Infrastructure Basic Service Set? (Choose two.)
A. Also known as an Ad Hoc or Peer-to-Peer WLAN
B. Members communicate directly with each other within the service area
C. Created when two or more Basic Service Sets are connected together
D. Only stations exist in the service area and no access point (AP) is used
E. Management and control of the service area is performed by the access point (AP)
Answer: BE
3. Which statement is true for Wireless LAN (WLAN) data and throughput rates?
A. Data rates drop as the distance to the access point (AP) increases
B. Data rates drop as the distance to the access point (AP) decreases
C. Actual data throughput on a WLAN is about 25% of the defined throughput rate
D. Data rates on an IEEE 802.11a/g WLAN are not affected by distance from the access point (AP)
Answer: A
4. Wireless LAN (WLAN) IEEE 8011a Turbo Mode bonds two channels together for up to 108 Mbps data rates.
A. True
B. False
Answer: A
5. What does the IEEE 802.11d standard specify?
A. Defines Inter Access Point Protocol (IAPP)
B. Defines MAC-based Quality of Service (QoS) mechanism
C. Defines encryption using the Advanced Encryption Standard (AES)
D. Defines the ability to fine tune Wireless LAN configuration at the Physical (PHY) Layer to comply with country-specific rules
Answer: D
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1. Mary has a Notes application that is used by employees in Europe and Japan. Each group of employees has a server located in its own geographical location. Mary needs to have versions of her application in both locations for efficient access, and the application data and design must stay synchronized in both locations. How can Mary accomplish this?
A. Create a copy of the database in both locations with the menu option File>Database> New Copy.
B. Create a replica of the database in both locations with the menu option File>Replication>New Replica.
C. Create a mirror copy of the database in both locations with the menu option File>Database>Mirror Database.
D. Create a synchronized copy of the database in both locations with the menu option
File>Synchronization>New Copy.
Answer: B
2. Herb has some data to display in a form, and he would like to have it appear in a formatted grid. What option would he use to format this data layout?
A. Create > Grid
B. Create > Table
C. Create > Data Layout
D. Create > Formatted Display
Answer: B
3. Jayne has asked her Domino server administrator to enable document locking on the server. Which of the following must she do to enable it for her application?
A. Enable the “Allow document locking” database property.
B. Create a view column for the locked document view icon.
C. Add a profile document to the database to manage the locked documents.
D. Enable document locking at the view level for each view in the database.
Answer: A
4. Colby has a default level access of Author in the Suggestion database. She created a new suggestion, but was unable to edit the document later. Why would this problem occur?
A. The document does not have a Readers type field.
B. The document form does not have an Authors type field.
C. She needs the “Edit document” option added to her access.
D. She needs at least editor access to edit her documents in the database.
Answer: B
5. Erin has created a new view in her mail file, and she doesn’t want the view removed when the design is refreshed from the main design template. What setting will keep her view from being deleted?
A. “Prohibit design refresh or replace to modify” in the View Properties dialog box
B. “Prohibit design refresh or replace to modify” in the Database Properties dialog box
C. “Prohibit design refresh or replace to modify” in the Design Document Properties dialog box
D. “Prohibit design refresh or replace to modify” in the Template Design Properties dialog box
Answer: C
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Preparation Guide for Exam PW0-070 – CWTS
This preparation guide includes information about:
Exam Summary
Credit Towards Certification
Exam Description
Preparation Tools and Resources
Exam Objectives
Exam Terms – Know these before you take the exam
RELATED LINKS
Join a CWNP Newsgroup
Exam Summary
Exam Number: PW0-070
Cost: $125.00
Availability: April 6, 2009
Duration: 90 minutes
Questions: 60
Question Types: Multiple choice / multiple answer
Passing Score: 70% (80% for instructors)
Available Languages: English
Renewal: None – Liftetime Certification. Recommended pre-requisite to CWNA
Certinside PW0-070 exam:
- Exam Number/Code : PW0-070
- Exam Name : Certified Wireless Technology Specialist
- Questions and Answers : 169 Q&As
- Update Time: 2009-10-17
Credit Towards Certification
Passing PW0-070 exam is a requirement of the CWTS certification.
Exam Description
This certification exam measures that candidates know the fundamentals of RF behavior, can describe the features and functions of wireless components, and have the skills needed to install and configure wireless network hardware components.
The main subject areas covered are:
Wi-Fi Technology, Standards, and Certifications
Hardware and Software
Radio Frequency (RF) Fundamentals
Site Surveying and Installation
Applications, Support, and Troubleshooting
Security & Compliance
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1. You import an image of grayscale clouds and add it to a composition. You want to use the highlights in the image to reveal the content immediately beneath the image and the shadows in the image to conceal the content beneath the image. What should you do?
A. On the layer immediately below the clouds layer, select Luma Inverted Matte from the Modes column of the Timeline panel.
B. On the layer immediately below the clouds layer, select Luma Matte from the Modes column of the Timeline panel.
C. On the clouds layer, select Luma Inverted Matte from the Modes column of the Timeline panel.
D. On the clouds layer, select Luma Matte from the Modes column of the Timeline panel.
Answer: B
2. You want to convert PAL footage to the NTSC standard to use in future projects and compositions. What should you do?
A. Choose Lower Field First for Field Rendering and WSSWW for the 3:2 pull-down menu.
B. Drag the footage from the Project panel to the Render Queue and choose Microsoft DV NTSC for Output Module.
C. Change the frame rate of the footage to 29.97 fps.
D. Select the footage in the Timeline panel and choose the Frame Blending Option.
Answer: A
3. Your composition contains video and animated text. You want to export the composition in a format suitable for playing in mobile devices. You also want to preview the result in Adobe Device Central. What should you do?
A. Choose File> Export to export in MPG-4 format.
B. Choose File> Export to export in Adobe Flash Video (FLV) format.
C. Add the composition to the render queue and choose the H.264 format in the Output Module Settings dialog box.
D. Add the composition to the render queue and choose the QuickTime Movie format in the Output Module Settings dialog box.
Answer: C
4. You want to render a movie file from a composition. The composition is of a motion picture sequence and involves heavy effects. You want to render the composition by using a network of render engines. What should you do in the Render Queue panel?
A. Set the Output Module to render an AVI uncompressed movie file.
B. On the Render Settings menu, select Use Open GL Renderer.
C. On the Render Settings menu, set the Proxy Use option to Use No Proxies.
D. Set the Output Module to render a still-image sequence and add a post render action to create a single movie file.
Answer: D
5. You render multiple items in a day. You want to add specific information, such as the compressor name and frame size, to the name of each rendered file. You also want to use this set of parameters in the future. What should you do?
A. Select the render items and choose Edit> Duplicate with File Name.
B. Choose the Custom value from the Output To menu to create and save a default name in the File Name Templates dialog
box.
C. Select all the render items and click the underlined filename next to Output To to enter a new filename.
D. Choose Preferences >Output and select the Use Default File Name and Folder option.
Answer: B
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