1. (TCO A) A common motivation for a hacker is _____. (Points : 5) economic moti

Question

1. (TCO A) A common motivation for a hacker is _____. (Points : 5)        economic motivation
       to win a prize in a competition
       to pass a job interview test
       to answer a test question Question 2.2. (TCO A) DNS information gained through WHOIS is used for what kind of reconnaissance? (Points : 5)        Active reconnaissance
       Passive reconnaissance
       Passive scanning
       Active grouping Question 3.3. (TCO B) Updates to programs and the operating system _____. (Points : 5)        should never be tested before installation due to licensing
       should only be installed after they are tested
       must all be installed as soon as possible
       are never issued for Linux-based systems Question 4.4. (TCO B) In relation to network security standards and guidelines, Cisco best practices include _____. (Points : 5)        Storing the operation system in NVRAM
       installing hotfixes before service packs
       using the same basic mode and privileged level passwords
       using different basic mode and privileged level passwords Question 5.5. (TCO C) _____ is a nonproprietary protocol that provides excellent reporting capabilities for the accounting function. (Points : 5)        RADIUS
       TACACS+
       AES
       DES Question 6.6. (TCO C) The public key infrastructure provides authentication through _____. (Points : 5)        private exchanges
       advanced digital certificates
       UDP/TCP
       public general law certificates Question 7.7. (TCO D) A routing protocol with built-in authentication is _____. (Points : 5)        RIP
       OSPF
       EIGRP
       IS-IS Question 8.8. (TCO E) The Diffie-Hellman algorithm is _____. (Points : 5)        a public key algorithm
       a standards creation body for VPNs
       obsolete at this time
       only used for e-commerce sites Question 9.9. (TCO F) The version of WPA2 that uses a preshared key is named _____. (Points : 5)        WEP
       WPA2-PSK
       WPA-PSK
       Enterprise Server Question 10.10. (TCO G) A vulnerability analysis tool that can intrude into a connection is _____. (Points : 5)        DSniff
       Hunt
       On Station
       Ethernet 1. (TCO A) A common motivation for a hacker is _____. (Points : 5)        economic motivation
       to win a prize in a competition
       to pass a job interview test
       to answer a test question

Explanation / Answer

1.  economic motivation - Hackers generally hack the system to gain confidential information which they can sell or can get some money from. Rest of the things comes under ethical hacking.

2. Active reconnaissance: - Data obtained from DNS is done by Passive reconnaissance and then is used to launch Active reconnaissance.

3. must all be installed as soon as possible: - Because most updates include solving vulnerabilities of system, which needs to be installed as soon as possible.

4. using different basic mode and privileged level passwords: - Cisco applies various authentication levels and guidlines for network security managerment.

5. TACACS+ - RADIUS is used basically for applying additional layer of security.

6.  advanced digital certificates : - Digital signature is kind of a public key certificate which is used basically to authenticate the sender of a message using public key infrastructure or PKI

7. OSPF: - OSPF is a protocol having authentication key mechanism that can be used to build authentic rounting tables..

8. a public key algorithm - Diffie-Hellman or DH algorithm is primarily based on public key mechanism passed over public channel . It creates a key which is used to implement symmetric key ciphers.

9. WPA-PSK: - PSK here means pre shared key.

10. Hunt - Hunt is the tool that can intrude in a TCP/IP network and find out vulnerabilities in it. Dsniff is used to snif or find the vulnerabitities by network auditing.

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