(Choose true or false). An operating system (OS) provides a convenient interface
ID: 3828685 • Letter: #
Question
(Choose true or false). An operating system (OS) provides a convenient interface for users and applications to access computer hardware components
In a hierarchical file system, the indexing system maintains a database that’s updated as files are?
Revised
Updated
Modified
d. Created
3. A file system’s ____________can be used to allow only authorized users to access certain files or folder
a. Hierarchy
b. Authorized entries
c. Access controls
d. Folder system controls
4. ___________ occurs when a CPU’s computing cycles are divided between more than one process, allocating time for each process, (in a round-the-robin fashion). When a process is completed another one may then become part of the cycle.
a. Phase slicing
b. Time slicing
c. Interval slicing
d. Process slicing
5. The OS layer just above the hardware, which schedules processes, manages memory and manages the flow given to I/O devices is known as the:
a. Kernel
b. Scheduler
c. Priority manager
d. Supervisor
6. (choose true or false) The main purpose of the server OS is to run applications which often access network resources
7. In reference to file sharing clients in a network, consider that a redirector intercepts a request and determines that the needed file is remote. With _______, shared network folders are accessed just like a drive that is physically attached to the system.
File mapping
Folder mapping
c. Drive mapping
d. Network mapping
8. Which e-mail protocol sends TCP/IP based email?
a. Post Office Protocol version 3
b. Simple Mail Transport Protocol
c. Internet Message Access Protocol
d. None of the other answers
9. In consideration of the Role of a Server Operating Systems, list two things most server OSs in a typical network provide:
10. In reference to the management functions of a server-based network, which concept governs the process of identifying who has access to the network
a. Authentication
b. Authorization
c. Account management
d. Identifying management
11. The server version of Windows OSs includes a centralized account management, authentication, and authorization system called:
a. Active Controller
b. Active Directory
c. Controlling Directory
d. Management Directory
12. When account policies for network usage and security are enforced through Active Directory, these policies are known as:
a. Group policies
b. Local policies
c. Domain controller policies
d. Network usage policies
13. In reference to network centralized storage, which type of storage occurs when data is stored on servers located offsite and maintained by a storage hosting company
Domain directory attached storage
b. Storage Area Network
c. Cloud-Based Storage
d. Network attached storage
14. Which fault-tolerance feature on a server OS supports the ability to add or remove hardware without powering down the system
a. Support for hot-swappable devices
Server clustering
Redundant/high-end disk systems
Load balancers
15. When using __________, if one disk fails, the data is preserved and the server continues to function, meeting users requests.
Load balancing cluster
Server clustering
c. Redundant array of independent disks
d. Hot-swappable devices
16. In operating system virtualization, the virtualization software that allows multiple VMs to share physical hardware resources, is known as a:
a. Hypervisor
b. Supervisor
c. Controller
d. Regulator
17. In reference to hosted virtualization products, which product is free, has a bridged and NAT options, offers the basics of desktop virtualization, and is a good option for training centers.
VMware Workstation
VirtualBox
c. VMware Player
d. Microsoft Virtual PC
18. (choose true or false) Bare-Metal Virtualization installs directly on hardware, is complicated to install while offering less features for managing VMs than hosted virtualization
Part 4 - Additional Questions, 1 point each
1. Which of the following is a program that's loaded into memory and run by the CPU?
a.Thread
b. Process
b.Service
c.File
Which of the following terms best describes two or more servers configured to operate as a single unit for load balancing purposes?
a. Dual core server
b. Fault-tolerant cluster
c. Load balancing cluster
d. Multimode cluster
3. Which of the following is a dedicated server device designed solely for providing shared storage for network users?
a.Storage area network (SAN)
b.Server cluster
c.RAID
d. Network-attached storage (NAS)
What are the two main types of virtualization?
Part 5
Please complete the following questions from pages 510-513. (1 point each)
1. Large cluster sizes can result in which of the following on a disk drive?
a. Faster performance for large files, more wasted space for small files
b. Faster performance for small files, less wasted space for small files
c. More fragmentation, faster performance for large files
d. Less fragmentation, more wasted space for large files
2. Which best describes a thread?
a. A process you can view in Task Manager
b. The smallest schedulable unit of software
c. A process in a preemptive multitasking OS
d. A multiprocessing computer
3. Which is the correct syntax for mapping drive letter W to a shared folder named Accounting on the Finance server?
a. net use W: \FinanceAccounting
b. net share W: \AccountingFinance
c. net use W: \AccountingFinance
d. net share W: \FinanceAccounting
Explanation / Answer
1.True
2.d
3.b
4.b
5.a
6.False
8.b
9. it assist to enable often provide commonly server role like web server ,mail server ,file server and application server
10.a
11.b
12a
13.c
14.c
15.c
16.a
17.b
18. True
PART _4
1.b
2.c
3.d
The two types of virtualization like hardware and desktop
PART_5
1.a
2.b
3.a
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