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 : 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 : 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 : 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 : In one of the pairs of protocols given below, both the protocols can use multiple TCP connections between the same client and the server. Which one is that? a. HTTP, FTP b. HTTP, TELNET c. FTP, SMTP d. HTTP, SMTP
Last Answer : a. HTTP, FTP
Description : The Post Office Protocol is an ………... protocol with both client (sender/receiver) and …………...functions A. electronic mail, server (storage) B. three layer , server C. UDP, transfer D. TCP, server
Last Answer : A. electronic mail, server (storage)
Description : The client code recognizes the SSL request and establishes a connection through TCP port ____ to the SSL code on the server A. 1023 B. 402 C. 443 D. 8080
Last Answer : C. 443
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 : 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 : 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 : The DNS server that received the initial ……... query checks it’s ………… is called…………... A. Recursive, zones B. simple, zones C. simple, class D. Recursive, class
Last Answer : A. Recursive, zones
Description : The modes of a MAC to share a transmission medium are ___. A. Round Robin B. Reservation C. Contention D. All the above
Last Answer : A. Round Robin
Description : The Token Ring implementation works on the __ mode. A. Contention B. Reservation C. Round Robin D. None
Last Answer : C. Round Robin
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
Description : In SMTP mail transaction flow, the sender SMTP establishes a TCP connection with the destination SMTP and then waits for the server to send a ………. a. 220 service ready message b. 421 service not available message c. Both of the above d. None of the above
Last Answer : c. Both of the above
Description : The sender SMTP establishes a TCP connection with the destination SMTP and then waits for the server to send a ____ Service ready message.. A. 420 B. 320 C. 220 D. 120
Last Answer : C. 220
Description : While initiating SSL session, the client code recognizes the SSL request and establishes a connection through TCP Part.................to the SSL code on the server. A) 420 B) 1032 C) 443 D) 322
Last Answer : C) 443
Description : While initiating SSL session, the client code recognizes the SSL request and establishes a connection through TCP Part …………….. to the SSL code on the server. A) 420 B) 1032 C) 443 D) 322
Description : A type of internet account, in which the computer is not connected directly to the net. (1) Shell Account (2) Kernel Account (3) Server Account (4) TCP/IP Account
Last Answer : TCP/IP Account
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 : Consider different activities related to email: m1: Send an email from a mail client to a mail server m2: Download an email from mailbox server to a mail client m3: Checking email in a web browser Which is the application ... FTP m3: HTTP c. m1: SMTP m2: POP m3: HTTP d. m1: POP m2: SMTP m3: IMAP
Last Answer : c. m1: SMTP m2: POP m3: HTTP
Description : What is the main function of Session layer in OSI model? a. Defines how data is formatted between the devices b. Made physical connection between server and client c. Both a and b d. None of the above
Last Answer : a. Defines how data is formatted between the devices
Description : In which layer of OSI client send request to the server? a. Application layer b. Presentation layer c. Session layer d. Transport layer
Last Answer : c. Session layer
Description : SSL is not responsible for a. Mutual authentication of client & server b. Secret communication c. Data Integrity protection d. Error detection and correction
Last Answer : d. Error detection and correction
Description : While transferring files between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. The throughput is usually a. 20Mbps b. 10Mbps c. 40Mbps d. 50Mbps
Last Answer : b. 10Mbps
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 : State weather the following statement is true or false for Sendmail. 1).Sendmail is a command-line tool designed for most UNIX-like operating systems. 2).It define a method of transferring mail, and acts as a client/server ... . false C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false
Last Answer : A. 1. True, 2. False, 3. true
Description : State weather the following statement is true or false for Point-to-Point Protocol 1). It is still in widespread use for dial-up TCP/IP connections 2) Point-to-point circuits in the form of asynchronous lines have long been ... . false C. 1. false, 2. false, 3. false D. 1. true, 2. false, 3. true
Last Answer : D. 1. true, 2. false, 3. true
Description : LAN stands for (1) Land Area Network (2) Local Area Network (3) Local Access Network (4) Local Area Netware
Last Answer : Local Area Network
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 : 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 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 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 : 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 : 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 : Two of the protocols that can be carried in the Protocol field of an IP packet are? * TCP * UDP * FTP * TFTP
Last Answer : Correct answer: A & B The following are the fields in an IP segment, their length, and their definitions: VERS (Version number - 16 bits) HLEN (Number of 32-bit words in the header - 4 bits) Type ... (32 bits) IP Options (network testing, debugging, security and others - 4 bits) Data (4 bits).
Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii, ... iv and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : D) All i, ii, iii, iv and v
Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii ... and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
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 : 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 : Which of the following is the session layer protocol or service? a. SPDY b. NetBIOS c. PPTP d. SAP
Last Answer : c. PPTP
Description : Which post-installations activities are recommended by SAP after the installation of an SAP ECC 6.06 system? Note: there are 2 correct answered to this question A. Restart your SAP system ... of users involved in the implementation project D. Confirm the installation in an SAP Support ticket
Last Answer : A. Restart your SAP system and check logs for errors B. Install a valid license key