CREST CPSA ACTUAL TEST WITH

CREST CPSA ACTUAL TEST WITH

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What is Traceroute - ANSWER-Traceroute is when you send a packet with a TTL value of 1 once it reaches the first router it will die sending an ICMP message to sender, at which point the sender can send another one with a value of 2 to see how far it will go. By doing this we can see how many hops it will take to reach our target. (A good way of enumeration of a network, when in a black box pen-test.)

What is a hash collision? - ANSWER-A Hash Collision Attack is an attempt to find two input strings of a hash function that produce the same hash result.Because hash functions have infinite input length and a predefined output length, there is inevitably going to be the possibility of two different inputs that produce the same output hash.

What is IPsec. - ANSWER-Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts the packets of data sent over an Internet Protocol network.

What are two modes of operation for IPsec. - ANSWER-Host-to-Host and Tunneling mode. 1 / 2

What does IKE stand for? - ANSWER-Internet Key Exchange

What does the Linux file permission of 777 mean - ANSWER-everyone (owner, group, users) has read write and execute of the file.

What is the definition of ACL? - ANSWER-Access control list.

What is root squashing - ANSWER-Reduces the right of remote root, making them no longer super user on the NFS Stored in /etc./dfs/dfstab

What port does rlogin run on - ANSWER-port TCP/513

What port does rsh run on - ANSWER-port TCP/514

What port does rexec run on - ANSWER-port TCP/512

What does the ~/.rhosts file do - ANSWER-Access control for users.

What does it mean if there is a + in front of a hostname - ANSWER-That machine will be able to remotely connect as that user.

What does the hosts. equiv file do - ANSWER-Access control for remote machines which can use the rsh protocol

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