PGP encrypts data by using a block cipher called a international data

Pgp encrypts data by using a block cipher called a

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29. PGP encrypts data by using a block cipher calleda) international data encryption algorithmb) private data encryption algorithmc) intrenet data encryption algorithmd) none of the mentioned30. When a DNS server accepts and uses incorrect information from a host that has no authority giving thatinformation, then it is called31 A header in CGI script can specify(A) format of the document . (B) new location of the document .(C) (A) & (B) both. (D) start of the document .32 Al l except ions in Java are subclasses of built in class called(A) Exception (B) Error .(C) Throw able (D) Raise.33 In 32 bit IP Addressing scheme all 1’s represent(A) this computer. (B) directed broadcast .(C) limited broadcast . (D) loop back.34 DMSP stands for(A) Distributed Mai l System Protocol(B) Distributed Message System Protocol(C) Distributed Message System Pool(D) Distributed Mai l System Pool35 Which Layer is not present in TCP/ IP model?
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4436 Let most segment of a name inn DNS represents(A) Individual Network. (B) Individual computer.(C) Domain name (D) Network type.37 Address 192.5.48.3 belongs to(A) class A. (B) class B.(C) class C. (D) class D.38 Unlike Ipv4, Ipv6 does not include the following field in the base header(A) Next Header field. (B) Field for Fragmentation information(B) Flow Label . (D) Kind field.39 The term byte stuffing refers to:40FDDI (Fiber Distributed Data Interconnect) is an example of(A) token ring. (B) token bus(C) star topology (D) multipoint network.41Hardware that calculates CRC(Cyclic Redundancy Check) uses:(A) Shift register (B) XOR unit(C) Both (A) & (B) (D) Instruct ion register42 In TCP protocol header “checksum” is of___________(A) 8 bits (B) 16 bits(C) 32 bits (D) 64 bits43 In IP addressing scheme, class used for multicasting is:44 CIDR stands for(A) Classified Internet Domain Routing(B) Classless Inter Domain Routing(C) Classless Internet Domain Routing(D) Classified Inter Domain Routing
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4545 The total number of class of IP address are(A) 3. (B) 4.(C) 5. (D) 9.46 Parent class of all Java classes is(A) java. lang.system (B) java. lang.object(C) java. lang.class (D) java. lang.reflect .object47 Exceptions of type error in JAVA are handled by(A) User program (B) Java run time environment(C) Operating system kernel (D) Interrupt48 Error detecting method that can detect more errors without increasing additional information in each packet is(A) checksum (B) even parity mechanism(C) CRC (D) odd parity mechanism.49 A Network uses a star topology if(A) Computers are arranged in a closed loop.
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  • Summer '18
  • Rajeev shastri
  • Cryptography, Public-key cryptography

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