Description : Which of the following are the network services? A) File service B) Print service C) Database service D) All of the above
Last Answer : D) All of the above
Description : Which of the following is an application layer service? A) Network virtual terminal B) File transfer, access and management C) Mail service D) All of the above
Last Answer : C) Mail service
Description : A relational database management (RDBM) package manages datain morethan one file at once. How does itorganizethese file? As A. tables B. relations C. tuple D. both (a)and (b) E. None of the above
Last Answer : both (a)and (b)
Description : It is more accurate to define a _____ as a variety of different recordtypes that aretreated as asingle unit A. Database B. Table C. Record D. Flat File E. None of the above
Last Answer : Database
Description : Database management systems are intended to: A. eliminatedata redundancy B. establishrelationships among records in different files C. manage file access D. maintaindata integrity E. All of theabove
Last Answer : All of theabove
Description : Which of the following is not a partof astandard office suite? A. Word Processor B. Database C. Image Editor D. File Manager
Last Answer : File Manager
Description : A zone is a contiguous portion of a ………….. of the DNS namespace whose database records exist and are managed in a……….. DNS database file. A. domain, particular B. Class, particular C. tree, local D. Domain, every
Last Answer : A. domain, particular
Description : Which of the following layer protocols are responsible for user and theapplicationprogrammesupport such aspasswords, resource sharing, file transfer and network management? A. Layer 7 protocols B. Layer 6 protocols C. Layer 5 protocols D. Layer 4 protocols E. None of the above
Last Answer : Layer 7 protocols
Description : Devices on one network can communicate with devices on another network via a ....... A) File Server B) Utility Server C) Printer Server D) Gateway
Last Answer : D) Gateway
Description : Which of the following is NOT true about User Datagram Protocol in transport layer? a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way ... File System d. The lack of retransmission delays makes it suitable for real-time applications
Last Answer : b. It does three way handshake before sending datagrams
Description : Consider a source computer(S) transmitting a file of size 106 bits to a destination computer (D)over a network of two routers (R1 and R2) and three links(L1, L2, and L3). L1connects S to R1; L2 connects R1 to ... file from S to D? a. 1005 ms b. 1010 ms c. 3000 ms d. 3003 ms Answer: Option(a)
Last Answer : a. 1005 ms
Description : Which protocols adopted the standards of HDLC (High Level Link Control) protocol? a. X.25 protocol as LAPB (Link Access Procedure Balanced, V.42 protocol as LAPM (Link Access Procedure for ... Services Digital Network) protocol as LAPD (Link Access Procedure on D channel) d. All the above
Last Answer : d. All the above
Description : State weather the following statement is true or false for ISDN - Integrated Services Digital Network ISDN is an effort to standardize subscriber services, provide user/network interfaces 2). the goal of ISDN is to form a Local ... C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false
Last Answer : A. 1. True, 2. false, 3. true
Description : Which of the following is an application layer service? a. Remote log-in b. File transfer and access c. Mail service d. All of the above
Last Answer : d. All of the above
Description : Which is a time-sensitive service? A. File transfer B. File download C. E-mail D. Internet telephony
Last Answer : D. Internet telephony
Description : Thetwo most common digital services are ________ service and______. A) switched/56; switched/64 B) switched/56; DDS C) DDS; swiched 64 D) leased; out-of-band
Last Answer : switched/56; DDS
Description : Which services are provided by transport layer? a. Error control b. Connection service c. Connection less service d. Congestion control
Last Answer : a. Error control
Description : What are the functions of the transport layer? a. Multiplexing/ Demultiplexing b. Connection less Services c. Connection oriented service d. Congestion control
Last Answer : a. Multiplexing/ Demultiplexing
Description : Which of the following genres does Hadoop produce? a) Distributed file system b) JAX-RS c) Java Message Service d) Relational Database Management System
Last Answer : Distributed file system
Description : Carrier is A. One or more conductors that serve as a common connection for a related group of devices B. a continuous frequency capableof being modulated or impressed witha second signal C. ... that provides a data communications service among stations attached tothe network E. None of the above
Last Answer : a continuous frequency capableof being modulated or impressed witha second signa
Description : Contention is A. One or more conductors that serve as a common connection for a related group of devices B. a continuous frequency capableof being modulated or impressed witha second signal C. ... that provides a data communications service among stations attached tothe network E. None of the above
Last Answer : the condition whentwo or more stations attempt to use the same channel at the same time
Description : A packet filtering firewall can a. deny certain users from accessing a service b. block worms and viruses from entering the network c. disallow some files from being accessed through FTP d. block some hosts from accessing the network
Last Answer : d. block some hosts from accessing the network
Description : The _______ layer provides a well defined service interface to the network layer, determining how the bits of the physical layer are grouped into frames A. Data Link B. Physical C. Network D. Session
Last Answer : A. Data Link
Description : Which of the following is an edge-storage or content-delivery system that caches data in different physical locations? a) Amazon Relational Database Service b) Amazon SimpleDB c) Amazon Cloudfront d) Amazon Associates Web Services
Last Answer : Amazon Cloudfront
Description : To locate a data item for storage is a. Field b. Feed c. Database d. Fetch
Last Answer : Fetch
Description : The database administration function includes A. application programming B. computer operations management C. databaseaccessplanning D. All of theabove E. None of the above
Last Answer : databaseaccessplanning
Description : In SQL, which commandis used to remove a stored function from the database? . REMOVE FUNCTION B. DELETE FUNCTION C. DROP FUNCTION D. ERASE FUNCTION E. None of the above
Last Answer : DROP FUNCTION
Description : In SQL, the CREATE TABLESPACE isused A. to createa place in the databasefor storageof scheme objects, rollback segments, andnaming the data files to comprise the tablespace B. to createa database trigger C. to add/rename data files, to change storage D. All of theabove E. None of the above
Last Answer : to createa place in the databasefor storageof scheme objects, rollback segments, andnaming the data files to comprise the tablespace
Description : Queries to a database A. are written in English B. can use aggregatefunctions like SUM and COUNT C. both (a)and (b) D. All of theabove E. None of the above
Last Answer : can use aggregatefunctions like SUM and COUNT
Description : A logical schema A. is the entire database B. is a standard wayof organizing information into accessible parts C. describes how data is actually stored on disk D. All of theabove E. None of the above
Last Answer : is a standard wayof organizing information into accessible parts
Description : Administrate supervision of database activities is the responsibility of the A. Databaseadministrator B. DP Manager C. DB Manager D. DP administration E. None of the above
Last Answer : Databaseadministrator
Description : There arecertain packages that allow people to define data items, place these items in particular records, combine therecords into designated files and then manipulate and retrieve the storeddata. What arethey ... (DBMS) C. Batch processingsystem D. Data communication package E. None of the above
Last Answer : Database management system (DBMS)
Description : This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry
Last Answer : Data Entry
Description : Groupingand processing allof a firm's transactionsat one time is called– (A) a database management system (B) batch processing (C) a real-time system (D) an on-line system (E) None of these
Last Answer : batch processing
Description : The ability of a database togrow as thedata tracking needs grow is its __________. A) scalability B) expandability C) maintainability D) platform-independence
Last Answer : scalability
Description : . The newer technique uses a distributed database system called ………………….. to translate names to addresses. A. DNS B. IP C. ARP D. Telnet
Last Answer : A. DNS
Description : . ________________ is yet another service model, which includes Network-as-a-Service, Business-as-a-Service, Identity-as-a-Service, Database-as-a-Service or Strategy-as-a-Service. A. IaaS B. PaaS C. SaaS D. XaaS
Last Answer : . XaaS
Description : What harnesses far‐flung computers together by way of the Internet or a virtual private network to share CPU power, databases, and database storage? a. Computer virus b. Worm c. Denial‐of‐service attack d. None of the above
Last Answer : d. None of the above
Description : Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms? a. Daisy wheel b. Dot matrix c. Laser d. Thimble
Last Answer : Laser
Description : If you have implemented a network where hosts are assigned specific roles such as for file sharing and printing. Other hosts access those resources but do not host services of their own. what type of?
Last Answer : What is the answer ?
Description : Which of the following file organization is most efficient for a file with a high degree of file activity? a. Sequential b. ISAM c. VSAM d. B-Tree Index
Last Answer : Sequential
Description : FORTRAN is a. File Translation b. Format Translation c. Formula Translation d. Floppy Translation
Last Answer : Formula Translation
Description : The master list of an indexed file A. is sortedin ascending order B. containsonly a list of keys and record numbers C. has a number assigned toeach record D. both (b)and (c) E. None of the above
Last Answer : has a number assigned toeach record
Description : The physical location of arecord isdetermined bya mathematical formula that transforms a file key into a record location in A. a tree file B. an indexed file C. a hashedfile D. a sequential file E. None of the above
Last Answer : a hashedfile
Description : Data integrity control A. is used to set upper and lower limits on numeric data B. requires the use of passwords toprohibit unauthorized access tothe file C. has the data dictionary keep thedate and time ... back-up,and most recent modificationfor all files D. All of theabove E. None of the above
Last Answer : has the data dictionary keep thedate and time of lastaccess last back-up,and most recent modificationfor all files
Description : In SQL, the command(s) is (are)used tocreate an index for atable or cluster A. CREATE INDEX B. MODIFY INDEX C. SET INDEX TO FILE D. All of theabove E. None of the above
Last Answer : CREATE INDEX
Description : HOSTS file entries are limited to how many characters? A. 8 B. 255 C. 500 D. Unlimited E. None of the above
Last Answer : 255
Description : A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file
Last Answer : C) Multiplexer
Description : FTP stands for A) File transfer protocol B) File transmission protocol C) Form transfer protocol D) Form transmission protocol
Last Answer : A) File transfer protocol