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NEW QUESTION: 1
Which of the following transmission media would NOT be affected by cross talk or interference?
A. Radio System
B. Satellite radiolink
C. Fiber optic cables
D. Copper cable
Answer: C
Explanation:
Only fiber optic cables are not affected by crosstalk or interference.
For your exam you should know the information about transmission media:
Copper Cable
Copper cable is very simple to install and easy to tap. It is used mostly for short distance and
supports voice and data. Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.The invention of the telephone in 1876 created further demand for copper wire as an electrical conductor. Copper is the electrical conductor in many categories of electrical wiring. Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment. Copper and its alloys are also used to make electrical contacts. Electrical wiring in buildings is the most important market for the copper industry. Roughly half of all copper mined is used to manufacture electrical wire and cable conductors.
Copper Cable Image Source - http://i00.i.aliimg.com/photo/v0/570456138/FRLS_HR_PVC_Copper_Cable.jpg
Coaxial cable Coaxial cable, or coax (pronounced 'ko.aks), is a type of cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket. The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis. Coaxial cable was invented by English engineer and mathematician Oliver Heaviside, who patented the design in 1880.Coaxial cable differs from other shielded cable used for carrying lower-frequency signals, such as audio signals, in that the dimensions of the cable are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a radio frequency transmission line.
Coaxial cable are expensive and does not support many LAN's. It supports data and video Coaxial Cable Image Source - http://www.tlc-direct.co.uk/Images/Products/size_3/CARG59.JPG
Fiber optics An optical fiber cable is a cable containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed. Different types of cable are used for different applications, for example long distance telecommunication, or providing a high-speed data connection between different parts of a building. Fiber optics used for long distance, hard to splice, not vulnerable to cross talk and difficult to tap. It supports voice data, image and video. Radio System Radio systems are used for short distance,cheap and easy to tap. Radio is the radiation (wireless transmission) of electromagnetic signals through the atmosphere or free space. Information, such as sound, is carried by systematically changing (modulating) some property of
the radiated waves, such as their amplitude, frequency, phase, or pulse width. When radio waves
strike an electrical conductor, the oscillating fields induce an alternating current in the conductor.
The information in the waves can be extracted and transformed back into its original form.
Fiber Optics
Image Source - http://aboveinfranet.com/wp-content/uploads/2014/04/fiber-optic-cables-above-
infranet-solutions.jpg
Microwave radio system
Microwave transmission refers to the technology of transmitting information or energy by the use
of radio waves whose wavelengths are conveniently measured in small numbers of centimetre;
these are called microwaves.
Microwaves are widely used for point-to-point communications because their small wavelength
allows conveniently-sized antennas to direct them in narrow beams, which can be pointed directly
at the receiving antenna. This allows nearby microwave equipment to use the same frequencies
without interfering with each other, as lower frequency radio waves do. Another advantage is that
the high frequency of microwaves gives the microwave band a very large information-carrying
capacity; the microwave band has a bandwidth 30 times that of all the rest of the radio spectrum
below it. A disadvantage is that microwaves are limited to line of sight propagation; they cannot
pass around hills or mountains as lower frequency radio waves can.
Microwave radio transmission is commonly used in point-to-point communication systems on the
surface of the Earth, in satellite communications, and in deep space radio communications. Other
parts of the microwave radio band are used for radars, radio navigation systems, sensor systems,
and radio astronomy.
Microwave radio systems are carriers for voice data signal, cheap and easy to tap.
Microwave Radio System
Image Source - http://www.valiantcom.com/images/applications/e1_digital_microwave_radio.gif
Satellite Radio Link
Satellite radio is a radio service broadcast from satellites primarily to cars, with the signal
broadcast nationwide, across a much wider geographical area than terrestrial radio stations. It is
available by subscription, mostly commercial free, and offers subscribers more stations and a
wider variety of programming options than terrestrial radio.
Satellite radio link uses transponder to send information and easy to tap.
The following answers are incorrect:
Copper Cable - Copper cable is very simple to install and easy to tap. It is used mostly for short
distance and supports voice and data.
Radio System - Radio systems are used for short distance,cheap and easy to tap.
Satellite Radio Link - Satellite radio link uses transponder to send information and easy to tap.
The following reference(s) were/was used to create this question:
CISA review manual 2014 page number 265 &
Official ISC2 guide to CISSP CBK 3rd Edition Page number 233

NEW QUESTION: 2
The BEST description of the guidance provided by Service Design is?
A. The design and development of services and service management processes
B. The day-to-day operation and support of services
C. The design and development of service improvements
D. The design and development of new services
Answer: A

NEW QUESTION: 3
Outband networking requires higher costs than inband networking, but provides more reliable management channels.
A. TRUE
B. FALSE
Answer: A

NEW QUESTION: 4

Answer:
Explanation:
Company Overview
GoldenGenius is an international corporation which specializes in technical content development. And the major business of the company is to create documentation and training materials for different software vendors.
At present, there are 30 full-time employees working in its head office in Portland. And more than 100 external contract writers are employed by the company, and the writers are working in home in different locations all over the world.
Planned Changes
A new and web-based solution will be implemented by the company so as to simplify the submitting work process for remote contract writers.
At present, the remote contract writers submit the work by e-mail as Microsoft Word document attachments, and the file shares on the file server called FP2 stores the work. After implementing the new solution, the remote contract writers will be permitted to have their work submitted to a Web service in WordML format, and then the work will be stored in an xml column in a new database called goldengenius_projects.
The Web service should be hosted on a current Web server in the perimeter network, and the Web service will be impersonated to gain access to the database server.
You can see the design for the new application solution from the diagram listed below.

Problem Statements
A review of the company's present security policies is required by the management. And the security should be enhanced to the maximum level so as to prevent the company data form unauthorized access or inadvertent deletion.
CURRENT DATA ENVIRONMENT
Databases
At present, there is a single SQL Server 2005 database named goldengenius_biz in GoldenGenius, Inc. and the database is utilized to store the company's financial and personnel data.
Dbo has all objects in the goldengenius_biz database.
Database Servers
There are two database servers in the Portland office. They are a primary server and a warm standby server which is respectively named SQL1 and SQL2. SQL1 is utilized to store the glodengenius_biz database, while SQL2 is utilized to utilize log shipping to replicate the goldengenius_biz database.
When a server fails, the goldengenius_biz database on SQL2 should be able to be brought online manually, and the client application should be simply set to have the standby server utilized.
The hardware on both servers greatly surpasses the existing requests for database performance.
Database Client Computers The goldengenius_biz is available to a managed client/server application, and ADO.NET
2.0 is utilized to access the database server.
CURRENT INFRASTRUCTURE Network Infrastructure From the diagram listed below, you can see there are two subnets in the network.

From the table listed below, you can see the detailed description of the servers included by the network.

Directory Services Infrastructure
There is a single Active Directory named goldengenius.com in the company network.
You can see the relating organizational units(OUS), user accounts, and global groups in the domain from the diagram listed below.

The company defines the accounts for contract writers in the ContractAccts OU, and defines other user accounts in the Users container.
BUSINESS REQUIREMENTS
General Requirements
All existing projects and archived content from previously finished projects should be included by the new goldengenius_projects database. Multiple revisions of a document can be submitted by writers. And when the project is active, all types of the documents should be sustained. When a project is finished, the final version should be handed off to the customer.
The data in archived projects is available to writers and project managers so as to retrieve replications of documents that have already been handed off to customers.
Availability
The company regards the existing availability strategy for the goldengenius_biz database as sufficient, and the strategy should not be modified. However, a level of availability should be provided by the goldengenius_biz database so as to make sure the database will be completely available in the shortest time when a server or a storage array fails. Besides that, the company request to have the risk of the data loss cut to the least.
The company will not allow any new hardware purchase to implement the availability solution. Nevertheless, the presently server which is utilized to store project documents is named FP2. When the new application is implemented, FP2 will be decommissioned. And if it is necessary, the FP2 can be utilized.
The company has to insert a great number of data into the goldengenius_biz database incidentally through a custom load operation, and the custom load operation requests to place the database in single user mode. And during the operation process, the users should be enabled to retrieve project data with no failover to the warm standby server which is utilized for log shipping.
Recoverability
A combination of full, partial, and transaction log backups will be utilized to back up all system and user databases. Since you are the technical support, you are required to create a recovery plan to specify the steps which are essential to utilize the backups when recover from a server failure.
In the event of the corruption or destruction on the goldengenius_project database, the recovery strategy should be optimized so as to make sure of the following two points. First, the filegroups which present project data is included should be recovered.
Second, the database should be made available in the shortest time.
Besides the regularly backups, the goldengenius_biz database should be able to be recovered to its previous state in the event of the error during the manual bulk load process.
TECHNICAL REQUIREMENTS
Security
The logins in the goldengenius_biz database should be managed only by the database administrator.
The SQL Server logins and the access for database users to the new goldengenius_project database should be managed by the database administrator and the project managers.
The employees' salary information will be stored in the goldengenius_biz database. And the information should be prevented from unauthorized access.
The company wants to encrypt all traffic to and from the HTTP endpoint by utilizing SSL, and the HTTP endpoint is utilized by the goldengenius_project.
After the solution is implemented, you should make sure the principle of least privileges should be applied. In another word, only the permissions which are necessary will be granted to the users.
Maintainability
In order to cut the management overhead to the least, the company's database administrator intends to reduce the number of the separate database server to the least.
For improving availability, multiple servers can be utilized. However, when it is probable, the daily maintenance of the database should be primarily put on a single server.
The complete recovery model should be utilized by the planned goldengenius_projects database. And the three filegroups in the table listed below should be included.