1. a hardware
2. a software
3. can be hardware as well as software
4. can neither be hardware nor a software

Q2. A proxy firewall filters at the?

1. physical layer
2. application layer
3. data link layer
4. network layer

Q3. A packet filter firewall filters at the

1. application or transport
2. data link layer
3. physical
4. network or transport layer

Q4. Which firewall facility can monitor the state of active connections and use this information to determine which network packets to allow through the firewall.

1. dynamic packet filter
2. general protection fault
3. partition
4. Gateway

Q5.  Which private data network uses the public telecommunication infrastructure, maintaining privacy through the use of a tunneling protocol and security procedures. 

1.  Metcalfe’s Law
2.  VPN
3.  DMZ
4.  personal firewall

Q6. DHCP is the abbreviation of

1. Dynamic Host Control Protocol
2. Dynamic Host Configuration Protocol
3. Dynamic Hyper Control Protocol
4. Dynamic Hyper Configuration Protocol

Q7. Which server acts as an intermediary between a workstation user and the Internet so that the enterprise can ensure security, administrative control, and caching service.

1. Kerberos
2.  security policy
3.  proxy server
4.  Metcalfe’s Law

Q8. Which software application is used to protect a single Internet-connected computer from intruders.

1. personal firewall
2. Bastion host
3. sniffer
4. Web Proxy Autodiscovery

Q9. Which is the only host computer that a company allows to be addressed directly from the public network — it is designed to screen the rest of its network from security exposure.

1. personal firewall
2. bastion host
3.  sniffer
4. D. Web Proxy Autodiscovery

Q10. Which set of rules governs what is and what is not allowed through the firewall? 

1.  Web Proxy Autodiscovery
2.  rule base
3. dynamic packet filter
4.  general protection fault 

The post Network Firewall first appeared on All About Testing.

1. IRC
2. E­mail
3. ICMP
4. TFTP

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Q2. What will an open port return from an ACK scan?

1. RST
2. SYN/ACK
3. FIN
4. Nothing

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Q3. Your target system is behind a firewall. Using hping2, you craft SYN packets to send with a hop count capable of reaching the host. You then send these packets out with port numbers from 1 to 1024. What action are you performing?

1. Firewalling
2. Firewalking
3. Passive footprinting
4. XMAS scan

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Q4. Which of the following is true regarding WEP cracking?

1. Initialization vectors are small, get reused frequently, and are sent in cleartext.
2. Initialization vectors are small, get reused frequently, but are encrypted during transmission.
3. Initialization vectors are large, get reused frequently, and are sent in cleartext.
4. Initialization vectors are large, get reused frequently, but are encrypted during transmission.

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Q5. Which of the following best describes a distributed denial­of­service attack?

1. A DoS against an entire subnet, affecting multiple systems
2. A DoS against multiple systems across an enterprise network
3. A DoS against similar systems in different target networks
4. A DoS carried out by multiple systems

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Q6. Which of the following is a passive wireless discovery tool?

1. NetStumbler
2. Aircrack
3. Kismet
4. Netsniff

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Q7. What does the program EliteWrap do?

1. Provides secure, encrypted tunneling between hosts
2. Provides proxy services to obfuscate source IPs
3. Ports code easily between different operating systems
4. Binds Trojans to legitimate files for exploitation later

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Q8. Scanning is performed in which phase of a pen test?

1. Pre­attack
2. Attack
3. Post­attack
4. Reconnaissance

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Q9. What is TKIP and how does it make WPA­2 a better security choice for your wireless network?

1. Temporal Key Integrity Protocol. It forces a key change every 10,000 packets or so.
2. Temporal Key Integrity Protocol. It forces a key change every time a bit is sent.
3. Temporary Key Integration Protocol. It forces a key change every 10,000 packets or so.
4. Temporary Key Integration Protocol. It forces a key change every time a bit is sent.

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Q10. What is the attack called “evil twin”?

1. MAC spoofing
2. ARP poisoning
3. Rogue access point
4. Session hijacking

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The post Cyber Security first appeared on All About Testing.

1.  e-signature
2.  digital certificate
3.  private key
4.  security token

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Q2. Cryptographic hash function takes an arbitrary block of data and returns

1.  fixed size bit string
2.  variable size bit string
3.  both (1) and (2)
4.  none of the mentioned

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Q3. The inverse of 37 mod 49 is

1.  23
2.  12
3.  4
4.  6

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Q4. This is a mode of operation for a block cipher, with the characteristic that each possible block of plaintext has a defined corresponding ciphertext value and vice versa.

1. footprinting
2. hash function
3. watermark
4. Electronic Code Book

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Q5. How many primitive roots are there for 19?

1.  4
2.  5
3.  3
4.  6

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Q6. Voice privacy in GSM cellular telephone protocol is provided by

1.  A5/2 cipher
2.  b5/4 cipher
3.  b5/6 cipher
4.  b5/8 cipher

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Q7. In cryptography, the order of the letters in a message is rearranged by

1. transpositional ciphers
2. substitution ciphers
3. both (1) and (2)
4. none of the mentioned

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Q8. What is data encryption standard (DES)?

1. block cipher
2. stream cipher
3. bit cipher
4. none of the mentioned

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Q9. The cryptography algorithms used in S/MIME are _________.

1. IDEA.
2. RC4.
3. RSA,DES-3.
4. RC5.

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Q10. In asymmetric key cryptography, the private key is kept by

1. sender
2. receiver
3. sender and receiver
4. all the connected devices to the network

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