Description : In a/an ………… of DNS resolver, the queried name server can return the best answer it currently has back to the DNS resolver. a. Recursive queries b. Iterative queries c. Reverse queries d. Inverse queries
Last Answer : b. Iterative queries
Description : What is used to see if a client is still connected to a NetWare server? A. Spoofing TCP/SAP B. Watchdog packet C. GNS Round Robin D. DNS Round Robin
Last Answer : Watchdog packet
Description : Identify the correct order in which the following actions take place in an interaction between a web browser and a web server. 1. The web browser requests a webpage using HTTP. 2. The web browser establishes a TCP connection with the web ... DNS. a. 4,2,1,3 b. 1,2,3,4 c. 4,1,2,3 d. 2,4,1,3
Last Answer : a. 4,2,1,3
Description : Which DNS client maps an address to a name or a name to an address especially when required by a host? a. Resolver b. Mapper c. Primary Server d. Secondary Server
Last Answer : a. Resolver
Description : Which DNS client maps an address to a name or a name to an address especially when required by a host? A. Resolver B. Mapper C. Primary Server D. Secondary Server
Last Answer : A. Resolver
Description : The _______ is used by a router in response to a received leave report. A) general query message B) special query message C) membershipreport D) noneof the above
Last Answer : special query message
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 : __________ do not take their decisions on measurements or estimates of the current traffic and topology. a. Static algorithms b. Adaptive algorithms c. Non - adaptive algorithms d. Recursive algorithms
Last Answer : c. Non - adaptive algorithms
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 : DNS can obtain the of host if its domain name is known and vice versa. A) Station address B) IP address C) Port address D) Checksum
Last Answer : B) IP address
Description : Which of the following applications allows a user to access and change remote files without actual transfer? A) DNS B) FTP C) NFS D) Telnet
Last Answer : C) NFS
Description : Generally TCP is reliable and UDP is not reliable. DNS which has to be reliable uses UDP because a. UDP is slower b. DNS servers has to keep connections c. DNS requests are generally very small and fit well within UDP segments d. None of these
Last Answer : c. DNS requests are generally very small and fit well within UDP segments
Description : Which one of the following uses UDP as the transport protocol? a. HTTP b. Telnet c. DNS d. SMTP
Last Answer : c. DNS
Description : The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are: a. TCP, UDP, UDP and TCP b. UDP, TCP, TCP and UDP c. UDP, TCP, UDP and TCP d. TCP, UDP, TCP and UDP
Last Answer : c. UDP, TCP, UDP and TCP
Description : The address resolution protocol (ARP) is used for a. Finding the IP address from the DNS b. Finding the IP address of the default gateway c. Finding the IP address that corresponds to a MAC address d. Finding the MAC address that corresponds to an IP address
Last Answer : Finding the MAC address that corresponds to an IP address
Description : …………………………………. converts a physical network address into an IP address. A. ARP B. RARP C. DNS D. DHCP
Last Answer : B. RARP
Description : The ______ are programs that run on DNS clients and DNS servers and that create queries to extract information from name servers. A. transporter B. distributers C. Resolvers D. both a and b
Last Answer : C. Resolvers
Description : The ____ namespace is based on a hierarchical and logical tree structure A. DNS B. Address C. table D. both a and b
Description : Explain about DNS
Last Answer : - Name server - Name resolution
Description : A browser uses the DNS system to convert a domain name into an ip address. But once it has the the ip address how does it know where the server is located and reach the server to download the site?
Last Answer : The point of an ip address is that each one is unique. It’s not unlike an address on an envelope. How does the mail know where to go? There is only one possibility.
Description : What is a function of a DNS server?
Last Answer : DNS server's main function is to associate the domain name with the appropriate IP address. DNS servers convert domain names into IP addresses, which a computer understands, thereby taking control of which server a user can access via a specific domain.
Description : When a client computer sends a request to a Domain Name System (DNS) server, what type of packet is sent?
Last Answer : DNS primarily uses the User Datagram Protocol (UDP) on port number 53 to serve requests. DNS queries consist of a single UDP request from the client followed by a single UDP reply from the server. ... the answer exceeds 512 bytes and both client and server support EDNS, larger UDP packets are used.
Description : DNS stands for: a) Domain Network Service b) Domain Necessarily Server c) Domain Name System d) None of These
Last Answer : c) Domain Name System
Description : 8. Nslookup can be used to gather information regarding which of the following? A. Host names and IP addresses B. Whois information C. DNS server locations D. Name server types and operating systems
Last Answer : A. Host names and IP addresses
Description : The term DNS stands for (A) Domain Name System (B) Defense Nuclear System (C) Downloadable New Software (D) Dependent Name Server
Last Answer : (A) Domain Name System
Description : A packet whose destination is outside the local TCP/IP network segment is sent to .............. (1) File server (2) DNS server (3) DHCP server (4) Default gateway
Last Answer : Answer: 4
Description : The minimax algorithm computes the minimax decision from the current state. It uses a simple recursive computation of the minimax values of each successor state, directly implementing the defining equations. The ... are backed up through the tree as the recursion unwinds. a) True b) False
Last Answer : a) True
Description : In IGMP, the general query message ___________________ group. A) doesnot define a particular B) explicitly defines a C) candefine more thanone D) noneof the above
Last Answer : doesnot define a particular
Description : f four hosts on anetworkbelong tothesame group, a totalof _______ sent inresponse to a general query message. A) one membership report is B) two membership reports are C) three membership reports are D) noneof the above
Last Answer : two membership reports are
Description : The _______ field of the IGMP message is all zeros in a query message. A) version B) type C) group address D) noneof the above
Last Answer : group address
Description : An IGMP query is sent from a _______to a _______. A) host; host B) host; router C) router; hostor router D) noneof the above
Last Answer : router; hostor router
Description : ICMP messagesare divided into two broad categories: _____________. A) query and error reporting messages B) request and response messages C) request and reply messages D) noneof the above
Last Answer : query and error reporting messages
Description : You can“““.asearchby providing more information thesearchengine can use to select asmaller, more useful setof results. (A) refine (B) expand (C) load (D) query (E) slowdown
Last Answer : refine
Description : Where is the external query executed at the client or the server?
Last Answer : At the server.
Description : Which of the following is/are the Database server functions? i) Data management ii) Transaction management iii) Compile queries iv) Query optimization A) i, ii, and iv only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii, and iv
Last Answer : A) i, ii, and iv only
Description : ………………… is a full form of SQL. A) Standard query language B) Sequential query language C) Structured query language D) Server side query language
Last Answer : A) Standard query language
Description : What is the full form of DNS A)Domain Name System B)Simple mail Transfer Protocol C)Internet Message Access Protocol D) Network Mapper
Last Answer : A)Domain Name System
Description : Using which method in transport layer data integrity can be ensured? a. Checksum b. Repetition codes c. Cyclic redundancy checks d. Error correcting codes
Last Answer : a. Checksum
Description : Mention the initial commissioning checks on CT’s, PT’s and relays.
Last Answer : Commissioning checks on CT a) Terminal marking correctness. b) Polarity of terminals. c) Insulation resistance between primary and secondary. d) Insulation resistance between primary to earth and secondary ... h) Burden check of relay. i) Primary injection test. j) Secondary injection test.
Description : Intranetsand extranets can use their network fire walls andother security features to establish secureInternet links within an enterpriseor with its trading partners. Select the best fit for answer: A. Network Server B. Virtual Private Network C. Networkoperating system D. OS
Last Answer : Virtual Private Network
Description : Find out the components of DHCP: 1) A protocol that delivers host-specific configuration parameters from a server to a host. 2) The client determines its own hardware address; this is normally in a ROM on the hardware. 3) ... or permanent network addresses to hosts. A. 1,2 B. 1,3 C. 2,3 D. 1,2,3
Last Answer : B. 1,3
Description : What are the problems involved in an IP Fragmentation Process? A. Loss of any fragment results in rejection of all datagrams B. Management of buffer space is essential to handle reassembly process C. No necessity of initializing ... -oriented IP service a. A & B b. C & D c. B& C d. A & D
Last Answer : a. A & B
Description : . A _____ DBMS distributesdata processing tasks between the workstation anda network server. A. Network B. Relational C. Client Server D. Hierarchical E. None of the above
Last Answer : Client Server
Description : Personal computers can be connectedtogether to form a– (A) server (B) supercomputer (C) network (D) enterprise (E) None of these
Last Answer : network
Description : A central computer that holds collections of data and programs for many PCs, workstations, and other computers is a(n) – (A) supercomputer (B) minicomputer (C) laptop (D) server (E) None of these
Last Answer : serve
Description : The most open source DBMS. A) Microsoft SQL Server B) Microsoft Access C) MySQL D) Oracle
Last Answer : MySQL
Description : The most popular commercial DBMS. A) Microsoft SQL Server B) Microsoft Access C) MySQL D) Oracle
Last Answer : Oracle
Description : A network consists of eight NT servers. You are planning to move servers to different segments of yournetwork, what utility should be used at eachserver to determine which server generates the most traffic? A. NBTSTAT B. NETSTAT.EXE C. Performance Monitor D. Network Monitor E. ARP.EXE
Last Answer : Network Monitor
Description : What cangreatly reduce TCP/IP configuration problems? A. WINS Server B. WINS Proxy C. DHCP Server D. PDC E. None of the above
Last Answer : DHCP Server