CCNA Cisco Certified Network Associate Guides d'étude, Notes de cours & Résumés

Which communication tool allows real-time collaboration? A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

Which communication tool allows real-time collaboration? a. wiki b. e-mail c. weblog d. instant messaging - A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three) a. regenerating data signals b. acting as a client or a server c. providing a channel over which messages travel d. applying security settings to control the flow of data e. notifying other devices when errors occur ...

What is the IEEE of Bluetooth What is WiMAX and it IEEE? In cellular broadband there are two types of cellular networks, what are they?

True statements about the operation of a full-duplex Ethernet network - Which OSI layer header contains the address of a destination host that is on another network? Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

What types of network devices and connections are typically found in a small network? CORRECT ANSWER In a small network, there are typically a couple of end devices like laptops and printers along with a router or switch and a server. Why is it important to study small networks? CORRECT ANSWER It is important to study small networks because that is the foundation of a larger network Who typically manages a small network? CORRECT ANSWER a network administrator Explain what factors should...

Ensuring that several individuals are able to perform a specific function in order to have oversight and eliminate single points of failure, is which of the following Operations Security principles? CORRECT ANSWER C. Rotation of duties A standard ACL: CORRECT ANSWER C. Identifies the source network to be blocked Which form of risk analysis uses a mathematical model that assigns a monetary figure? CORRECT ANSWER B. Quantitative Enabling SSH on a router requires all of the following excep...

Which of the following addresses will a switch use to populate the CAM table? Destination MAC address Source IP address Destination IP Address Source MAC address CORRECT ANSWER Source MAC address What is another name for hypervisor? CORRECT ANSWER VMM (Virtual Machine Monitor) Which table is used by a switch to discover the relationship between Layer 2 address of a device and the physical port used to reach the device CORRECT ANSWER CAM table The Content Addressable Memory (CAM) t...

Which communication tool allows real-time collaboration? CORRECT ANSWER instant messaging A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.) CORRECT ANSWER regenerating data signals applying security settings to control the flow of data notifying other devices when errors occur A home user is looking for an ISP connection that provides high speed digital transmission over ...

AAA CORRECT ANSWER Authentication, authorization and accounting AAA Server CORRECT ANSWER Server providing authentication, authorization and accounting services Access Control Entry (ACE) CORRECT ANSWER One line in an access control list (ACL) access interface CORRECT ANSWER A LAN network design term that refers to a switch interface connected to end-user devices access layer CORRECT ANSWER In a Campus LAN design, the switches that connect directly to end-point devices access link...

During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer? DoS attack identity theft spyware zero-day attack CORRECT ANSWER spyware Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators? Internet intranet extranet extendednet CORRECT ANSWE...