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Questions and Answers
At which layer of the OSI model do you find the protocol responsible for the delivery of data to its ultimate destination on an internetwork?
At which layer of the OSI model do you find the protocol responsible for the delivery of data to its ultimate destination on an internetwork?
Which of the following pairs of well-known ports are the default values you would use to configure a POP3 email client?
Which of the following pairs of well-known ports are the default values you would use to configure a POP3 email client?
Which media type is not susceptible to electromagnetic interference (EMI)?
Which media type is not susceptible to electromagnetic interference (EMI)?
Which method of data transfer allows information to be sent and received at the same time?
Which method of data transfer allows information to be sent and received at the same time?
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Which access method is used in Ethernet?
Which access method is used in Ethernet?
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Which protocol maps IP addresses to MAC addresses on a local network?
Which protocol maps IP addresses to MAC addresses on a local network?
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Which layer of the Open Systems Interconnection (OSI) model is responsible for the logical addressing of end systems and the routing of datagrams on a network?
Which layer of the Open Systems Interconnection (OSI) model is responsible for the logical addressing of end systems and the routing of datagrams on a network?
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Which cable type is a common choice for use on Ethernet networks?
Which cable type is a common choice for use on Ethernet networks?
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What is the maximum segment length of a 100BASE-TX cable?
What is the maximum segment length of a 100BASE-TX cable?
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What can you replace a hub with that will also increase network performance?
What can you replace a hub with that will also increase network performance?
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What is the most commonly used DSL technology?
What is the most commonly used DSL technology?
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Which of the following devices can be used to connect two similar network segments but keeps network traffic separate on the two segments?
Which of the following devices can be used to connect two similar network segments but keeps network traffic separate on the two segments?
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Which of the following protocols does the Ping utility use to exchange messages with another system?
Which of the following protocols does the Ping utility use to exchange messages with another system?
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A method to transmit ordinary telephone calls over the Internet using packet-switched technology. It can also use an existing IP network to provide access to the public switched telephone network.
A method to transmit ordinary telephone calls over the Internet using packet-switched technology. It can also use an existing IP network to provide access to the public switched telephone network.
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Which of the following organizations developed the Open Systems Interconnection (OSI) model?
Which of the following organizations developed the Open Systems Interconnection (OSI) model?
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What is the maximum transmission speed supported by IEEE 802.11g?
What is the maximum transmission speed supported by IEEE 802.11g?
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How many pairs of wires are used in an RJ-45 connector?
How many pairs of wires are used in an RJ-45 connector?
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A technician wants to update the NIC driver for a computer. What is the best way to find new drivers for the NIC?
A technician wants to update the NIC driver for a computer. What is the best way to find new drivers for the NIC?
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What is the suggested maximum number of PCs in a peer-to-peer network?
What is the suggested maximum number of PCs in a peer-to-peer network?
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Which suite of protocols is used to transmit data across the Internet?
Which suite of protocols is used to transmit data across the Internet?
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At which of the following layers of the Open Systems Interconnection (OSI) model do the protocols on a typical local area network use MAC addresses to identify other computers on the network?
At which of the following layers of the Open Systems Interconnection (OSI) model do the protocols on a typical local area network use MAC addresses to identify other computers on the network?
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Which of the following explanations best describes the function of a Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) port number?
Which of the following explanations best describes the function of a Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) port number?
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The Internet is an example of which type of network?
The Internet is an example of which type of network?
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Which of the following is the connector used for 100BASE-T Ethernet cables?
Which of the following is the connector used for 100BASE-T Ethernet cables?
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Which networking protocol translates a network name such as www.cisco.com into a unique IP address?
Which networking protocol translates a network name such as www.cisco.com into a unique IP address?
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Which dotted-decimal number is used to distinguish the network portion of the IP address from the host portion?
Which dotted-decimal number is used to distinguish the network portion of the IP address from the host portion?
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Which of the following devices typically operates at the network layer of the Open Systems Interconnection (OSI) model?
Which of the following devices typically operates at the network layer of the Open Systems Interconnection (OSI) model?
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Which layer of the Open Systems Interconnection (OSI) model is responsible for dialogue control between two communicating end systems?
Which layer of the Open Systems Interconnection (OSI) model is responsible for dialogue control between two communicating end systems?
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Which of the following Ethernet cable standards supports transmission speeds of more than 200 Mbps?
Which of the following Ethernet cable standards supports transmission speeds of more than 200 Mbps?
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A model where the client requests information or services from the server. The server provides the requested information or service to the client. This model is designed for medium to large networks or networks that require enhanced security.
A model where the client requests information or services from the server. The server provides the requested information or service to the client. This model is designed for medium to large networks or networks that require enhanced security.
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If you can ping a website by address, but not by name, what is the problem?
If you can ping a website by address, but not by name, what is the problem?
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Which of the following is the default well-known port number for the Hypertext Transfer Protocol (HTTP) used for web client/server communications?
Which of the following is the default well-known port number for the Hypertext Transfer Protocol (HTTP) used for web client/server communications?
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A hardware address that identifies itself on the network, usually burned within or hard-coded onto a network card.
A hardware address that identifies itself on the network, usually burned within or hard-coded onto a network card.
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Which of the following supports the longest transmission distance?
Which of the following supports the longest transmission distance?
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How can you determine the connection speed and signal strength of a wireless network connection on a Windows computer?
How can you determine the connection speed and signal strength of a wireless network connection on a Windows computer?
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What is the minimum cable rating required for a 1000BASE-TX network?
What is the minimum cable rating required for a 1000BASE-TX network?
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At what radio frequency does an IEEE 802.11g wireless network operate?
At what radio frequency does an IEEE 802.11g wireless network operate?
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Which of the following provides name resolution on the Internet, including translating from hostnames to IP addresses?Which of the following provides name resolution on the Internet, including translating from hostnames to IP addresses?
Which of the following provides name resolution on the Internet, including translating from hostnames to IP addresses?Which of the following provides name resolution on the Internet, including translating from hostnames to IP addresses?
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If you need to connect two computers directly to each other using FastEthernet without going through a hub or switch, what would you need?
If you need to connect two computers directly to each other using FastEthernet without going through a hub or switch, what would you need?
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Which of the following can be used to connect a WLAN to a wired LAN?
Which of the following can be used to connect a WLAN to a wired LAN?
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Study Notes
OSI Model Layer for Data Delivery
- The data link layer is responsible for delivering data to its ultimate destination on an internetwork.
Default Ports for POP3 Email Client
- The default ports for configuring a POP3 email client are 110 and 25.
Electromagnetic Interference (EMI) Resistant Media
- Fiber-optic cable is not susceptible to electromagnetic interference (EMI).
Full Duplex Data Transfer
- Full duplex is a data transfer method that allows simultaneous sending and receiving of information.
Ethernet Access Method
- CSMA/CD (Carrier Sense Multiple Access/Collision Detection) is the access method used in Ethernet.
IP to MAC Address Mapping
- ARP (Address Resolution Protocol) maps known IP addresses to MAC addresses on a local network.
OSI Layer for Logical Addressing
- The network layer of the OSI model is responsible for logical addressing and routing of datagrams.
Ethernet Cable Type
- UTP (Unshielded Twisted Pair) cable is a common choice for Ethernet networks.
100BASE-TX Cable Segment Length
- The maximum segment length for a 100BASE-TX cable is 550 meters.
Hub Replacement for Performance
- Switches replace hubs to increase network performance.
Common DSL Technology
- ADSL is the most common DSL technology.
Device for Connecting Network Segments
- A bridge connects two similar network segments while keeping traffic separate.
Protocol for Ping Utility
- ICMP (Internet Control Message Protocol) is the protocol used by the Ping utility for exchanging messages with another system.
Voice over Internet Protocol (VoIP)
- VoIP is a method of transmitting phone calls over the internet using packetswitched technology.
Open Systems Interconnection (OSI) Model Developer
- The International Organization for Standardization (ISO) developed the OSI model.
IEEE 802.11g Transmission Speed
- The maximum transmission speed supported by IEEE 802.11g is 54 Mbps.
RJ-45 Connector Wire Pairs
- An RJ-45 connector uses 8 wire pairs.
NIC Driver Update Method
- Installation media for the NIC is the best way to update the NIC driver.
Peer-to-Peer Network PC Limit
- The suggested maximum number of PCs in a peer-to-peer network is 100.
Protocol Suite for Internet Data Transmission
- The TCP/IP suite of protocols transmit data across the internet.
OSI Layer for MAC Address Use
- The data link layer uses MAC addresses to identify computers on a network.
Port Number Function
- Port numbers identify the application generating information in a datagram to both the sender and receiver.
Internet Network Type
- The internet is a WAN (Wide Area Network).
100BASE-T Ethernet Cable Connector
- The RJ-45 connector is used for 100BASE-T Ethernet cables .
Protocol for Network Name Translation
- DNS (Domain Name System) translates network names into unique IP addresses.
Dotted-Decimal Number for Network Portion
- The subnet mask distinguishes the network portion of an IP address from the host portion.
Network Layer Device
- A router typically operates at the network layer of the OSI model.
OSI Layer for Dialogue Control
- The transport layer is responsible for dialogue control between communicating end systems.
Ethernet Cable Standard for Speed > 200 Mbps
- CAT5 and later cable standards are used for transmission speeds greater than 200 Mbps.
Client-Server Model
- The client-server model is a method where clients request information from servers, which then provide the requested information to the clients.
Ping Website Problem
- The website's DNS server or web server might be down.
Default HTTP Port
- The default well-known port number for HTTP is 80.
Hardware Address Identifier
- MAC address identifies devices on a network.
Longest Transmission Distance Media
- Fiber optic cable supports the longest transmission distance.
Wireless Network Connection Speed/Signal Strength
- Using the wireless network adapter properties in Windows determines the signal strength and speed of wireless connections.
Minimum Cable Rating for 1000BASE-TX
- CAT5e cable rating is the minimum for a 1000BASE-TX network.
IEEE 802.11g Radio Frequency
- IEEE 802.11g operates at 2.4 GHz.
Name Resolution on the Internet
- DNS provides name resolution on the internet, translating hostnames to IP addresses.
FastEthernet Direct Connection
- CAT5 crossover cable is needed to connect two computers directly using FastEthernet without a hub or switch.
Wireless LAN to Wired LAN Connection
- An access point connects a wireless LAN to a wired LAN.
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Description
Test your knowledge on essential networking concepts including the OSI model, data transfer methods, and Ethernet access methods. This quiz covers topics like data link layer functionalities, POP3 client ports, and the role of ARP in IP to MAC address mapping.
