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CCNA ITN
Modules 1 – 3: Basic Network Connectivity and Communications Exam Answers
| Question | Answer |
|---|---|
| What type of network traffic requires QoS? | video conferencing |
| Which interface allows remote management of a Layer 2 switch? | the switch virtual interface |
| What function does pressing the Tab key have when entering a command in IOS? | It completes the remainder of a partially typed word in a command |
| Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network? | Segments are sent from the transport layer to the internet layer. |
| Which name is assigned to the transport layer PDU? | segment |
| When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address? | subnet mask |
| What process involves placing one PDU inside of another PDU? | encapsulation |
| What layer is responsible for routing messages through an internetwork in the TCP/IP model? | internet |
| Which PDU format is used when bits are received from the network medium by the NIC of a host? | frame |
| Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond? | response timeout |
| A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission? | Ethernet, IP, TCP, HTTP |
| At which layer of the OSI model would a logical address be added during encapsulation? | network layer |
| What is a characteristic of multicast messages? | They are sent to a select group of hosts. |
| Which statement is correct about network protocols? | They define how messages are exchanged between the source and the destination. |
| What is an advantage of network devices using open standard protocols? | A client host and a server running different operating systems can successfully exchange data. |
| Which device performs the function of determining the path that messages should take through internetworks? | a router |
| Why would a Layer 2 switch need an IP address? | to enable the switch to be managed remotely |
| What term describes storing personal files on servers over the internet to provide access anywhere, anytime, and on any device? | cloud |
| What term describes a network where one computer can be both client and server? | peer-to-peer |
| What term describes a type of network used by people who work from home or from a small remote office? | SOHO network |
| What term describes a computing model where server software runs on dedicated computers? | client/server |
| What term describes a technology that allows devices to connect to the LAN using an electrical outlet? | powerline networking |
| What term describes a policy that allows network devices to manage the flow of data to give priority to voice and video? | quality of service |
| What term describes a private collection of LANs and WANs that belongs to an organization? | intranet |
| What term describes the ability to use personal devices across a business or campus network? | BYOD |
| At which OSI layer is a destination port number added to a PDU during the encapsulation process? | transport layer |
| At which OSI layer is data added to a PDU during the encapsulation process? | application layer |
| At which OSI layer is a source IP address added to a PDU during the encapsulation process? | network layer |
| At which OSI layer is a source MAC address added to a PDU during the encapsulation process | data link layer |
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