EC1-349 무료 덤프문제 온라인 액세스

An Internet standard protocol (built on top of TCP/IP) that assures accurate synchronization to the millisecond of computer clock times in a network of computers. Which of the following statement is true for NTP Stratum Levels?

• A.A stratum-2 server is directly linked (not over a network path) to a reliable source of UTC time such as GPS, WWV, or CDMA transmissions
• B.A stratum-3 server gets its time over a network link, via NTP, from a stratum-2 server, and so on
• C.Stratum-1 time server is linked over a network path to a reliable source of UTC time such as GPS, WWV, or CDMA transmissions
• D.Stratum-0 servers are used on the network; they are not directly connected to computers which then operate as stratum-1 servers

The Electronic Serial Number (ESN) is a unique __________ recorded on a secure chip in a mobile phone by the manufacturer.

• A.24-bit identifier
• B.16-bit identifier
• C.64-bit identifier
• D.32-bit identifier

A steganographic file system is a method to store the files in a way that encrypts and hides the data without the knowledge of others

• A.False
• B.True

An attack vector is a path or means by which an attacker can gain access to computer or network resources in order to deliver an attack payload or cause a malicious outcome.

• A.False
• B.True

Identify the attack from following sequence of actions? Step 1: A user logs in to a trusted site and creates a new session Step 2: The trusted site stores a session identifier for the session in a cookie in the web browser Step 3: The user is tricked to visit a malicious site Step 4: the malicious site sends a request from the user's browser using his session cookie

• A.Hidden Field Manipulation Attack
• B.Cross-Site Request Forgery (CSRF) Attack
• C.Web Application Denial-of-Service (DoS) Attack
• D.Cross-Site Scripting (XSS) Attacks