Q&A Hero

Question


a. AES f. XOR function
b. block cipher g. IPsec
c. ciphertext h. key management
d. cryptanalysis i. plaintext
e. DES j. stream cipher
1/ the study of breaking encryption methods
2/ unreadable text, programs that do not execute, and graphics you cannot view
3/ A set of standard procedures that the Internet Engineering Task Force (IETF) developed for enabling secure communication on the Internet
4/ a type of encryption algorithm that encrypts one bit at a time
5/ the current U.S. government standard for cryptographic protocols
6/ readable text, programs that execute, and graphics you can view
7/ an older protocol composed of a 16-round Feistel network with XOR functions, permutation functions, 64 S-box functions, and fixed key schedules
8/ a way to prevent keys from being discovered and used to decipher encrypted messages
9/ a cryptographic primitive based on binary bit logic and used as a linear mixing function, combining values for use in further computations
10/ a type of encryption algorithm that encrypts groups of cleartext characters

Answer

This answer is hidden. It contains 31 characters.

Related questions

Q: Which of the following is true about encryption algorithms?a. their strength is tied to their key length b. not vulnerable to brute force attacks c. block ciphers encrypt one bit at a timed. asymmetric algorithms use a single key
Q: Describe antispoofing logging and how you can prevent it with ACLs.
Q: Define route summarization.
Q: What is a distance-vector routing protocol? Give one example.
Q: Rather than using classful routing, ________________ subnet masks allow you to divide your network into different sizes to make better use of available addresses.
Q: An ARP broadcast is sent to the local subnet in an attempt to discover the destination computer's ______________ address.
Q: During the routing process, the router strips off ______________________ layer header information and then examines the Network layer address.
Q: Which of the following is true about ACLs on Cisco routers?a. there is an implicit deny any statement at the end of the ACL b. there is an explicit permit any statement at the beginning of the ACL c. ACLs are processed in reverse order so place high priority statements lastd. ACLs bound to an interface apply to inbound and outbound traffic by default
Q: Which of the following makes routing tables more efficient?a. route summarization c. CIDRb. VLSM d. host routing
Q: Some methods of attacking a Cisco router do not require knowledge of the IOS version, so software patching is recommended.
Q: Describe in detail the first three packets you would see in an FTP session between client 192.168.1.132 and server 192.168.1.110; include port numbers, flags, and any other pertinent options that would be set.
Q: What is the sequence of packets for a successful three-way handshake?a. SYN, ACK, ACK c. SYN, SYN ACK, ACKb. SYN, SYN ACK, RST d. SYN, ACK, FIN
Q: Which TCP flag can be the default response to a probe on a closed port?a. RST c. PSHb. URG d. SYN
Q: What is the term used when an IDPS doesn"t recognize that an attack is underway?a. false negative c. negative activityb. true positive d. positive signature
Q: Newer Trojans listen at a predetermined port on the target computer so that detection is more difficult.
Q: Describe the three-way handshake.
Q: List three reasons an administrator would want to use subnetting.
Q: What are the three private IP address ranges and their associated subnet masks?
Q: List the three classes of IP address that can be assigned to network devices and their corresponding first octet range of values.
Q: List the seven layers of the OSI model.
Q: The ____________ command shows current sessions with associated port numbers.
Q: ________________ IPv6 addresses are used for one-to-one or one-to-many communication.
Q: The ______________________ is the part of the IP address that is the same among computers in a network segment.
Q: DNS operates at the _________________ layer of the OSI model.
Q: Which of the following is a valid IPv6 address?a. 5BA4:2391:0:0:4C3E b. 1080::8:800:200C:417A c. 24::5B1A::346Cd. 5510:ABCD::34:1::2
Q: How large is the IPv6 address space?a. 32 bits b. 128 bits c. 64 bitsd. 168 bits
Q: Which of the following is the first packet sent in the TCP three-way handshake?a. RST b. SYN c. ACKd. PSH
Q: Which of the following is a reason that UDP is faster than TCP? a. it doesn"t use port numbers c. the header is smaller b. it has a higher priority on the network d. it doesn"t guarantee delivery
Q: What is the TCP portion of a packet called?a. frame b. data c. segmentd. header
Q: Which of the following is considered a flooded broadcast IP address?a. 200.15.6.255 b. 10.255.255.255 c. 255.255.255.255d. FFFF.FFFF.FFFF

Subjects

Accounting Anthropology Archaeology Art History Banking Biology & Life Science Business Business Communication Business Development Business Ethics Business Law Chemistry Communication Computer Science Counseling Criminal Law Curriculum & Instruction Design Earth Science Economic Education Engineering Finance History & Theory Humanities Human Resource International Business Investments & Securities Journalism Law Management Marketing Medicine Medicine & Health Science Nursing Philosophy Physic Psychology Real Estate Science Social Science Sociology Special Education Speech Visual Arts