Computer Networks MCQs
998+ questions with answers
RPC is a _________
The local operating system on the server machine passes the incoming packets to the ___________
Which of the following is not an alternative name for symmetric key cryptography?
What is the cipher text for the text “GREET HER”, if Caesar Cipher is used(key=3)?
What is the cipher text for the message “TAKE ME TO THE PARTY”, id Rail Fence technique is used with two rows?
What are the two broad categories of symmetric key cryptography?
Which of the following algorithm does not belong to symmetric key ciphers?
Which of the following is incorrect about symmetric key cryptography?
Which of the following is a disadvantage of symmetric cipher?
Which of the following is not an application of symmetric encryption algorithms.
What are the two keys that are used in asymmetric key cryptography?
Who are three discoverers of the RSA algorithm in public key cryptography?
What is the first public key cryptography algorithm?
Which of the following is not a property of public key cryptography?
What are the types in schemes of public key encryption?
Which of the following is correct about RSA scheme in public key cryptography?
Which of the following doesn’t match as a property of elliptic curve cryptography?
Which of the following is the disadvantage of asymmetric cryptography?
Which of the following equation is correct in case of hash function, where M = input, N = hash value, H = hash function?
What is/are the property(s) of a good hash function in case of producing outputs for set of inputs?
What is the core objective of the hash functions in producing hash values?
What is the name for hash functions that are used in security applications?
Which of the following application in which hash function is employed, refers hash value as message digest?
What is Ci in the bit-by-bit XOR hash function, that is Ci = bi1 + bi2.….. + bim
When can we detect a collision if the hash values are same for two inputs, that is H(x) = H(y)?
What is the formula for pre-images of a given hash value, where data block length = b bits and hash code = n bits?
Which of the following is not a basic property for employing hash function in practical applications?
Which of the following property of the hash function makes the hash function strong?
What can it be called, if an attacker determines the private key of the user, after breaking the signature scheme?
Which of the following is not a requirement of digital signatures?
Who will be the involving parties in the direct digital signature scheme?
Which of the following sentence is incorrect in case for digital signatures?
What is the advantage of digital signing a hash instead of signing the entire data in RSA?
Which of the following digital signature technique is based on elliptic curve cryptography?
Which of the following is not a digital signature algorithm?
In which year, NIST proposed Elgamal algorithm in its new DSS(digital signature standard)?
Which of the following is an advantage of anomaly detection?
A false positive can be defined as ________
One of the most obvious places to put an IDS sensor is near the firewall. Where exactly in relation to the firewall is the most productive placement?
What is the purpose of a shadow honeypot?
At which two traffic layers do most commercial IDSes generate signatures?
When discussing IDS/IPS, what is a signature?
“Semantics-aware” signatures automatically generated by Nemean are based on traffic at which two layers?
Which of the following is used to provide a baseline measure for comparison of IDSes?
Which of the following is true of signature-based IDSes?
___________ command is used to enter privileged mode in a switch.
Which command is used to configure telnet for remote access?
How to create a VLAN in a switch?
Which command is used to check whether the trunking is configured or not?
Which command is used to change the interface status of a port or VLAN?