1001 A+ 2.0 - Networking Set 1

If the goal is to use SSL (Secure Sockets Layer) for incoming emails, which POP3 (Post Office Protocol) incoming mail server port is used to configure the email client settings?

» 995 - POP3 mail over SSL

A technician needs to install a network device in a Small Office Home Office (SOHO) network. The office requires 9 wired workstations to share and print data. Which of the following can the technician use?

» A 12-port unmanaged switch

Setting up a network requires the use of various devices requiring that you know the difference between each. What are the differences between a hub, a switch, and a router?

» A hub merely passes traffic between devices, A switch directs traffic from one device to another, and A router controls traffic between networks.

What protocol and port(s) perform a file sharing function on Apple networks running macOS (Macintosh Operating System)?

» AFP over TCP or UDP port 427 and TCP port 548

If you had both wired and wireless user devices on a SOHO (Small Office/Home Office) network and you needed to connect these devices, what networking device would you need?

» Access Point

What would be a disadvantage, which has a negative impact on performance, of using a hub on a network?

» Any incoming signal on any of the hub's ports is re-created and sent out on any connected ports.

The network is using a mixture of local and cloud-based resources. What would you use to obtain "visibility" of the whole network from a single management interface?

» Cloud-based network controller

A technician is configuring wireless for a home office. The customer wants to prevent others from accessing the wireless network. The customer has a small number of devices on the network and does not want to have to remember a complicated password. Which of the following should the technician recommend?

» Enable MAC filtering

SOHO (Small Office Home Office) networks, often built around a single connectivity appliance, face the challenge of joining up devices where the network equipment and Internet access line are located. What would be an alternative solution if network installation is needed quickly and interference may be an issue?

» Ethernet over Power

You are a network technician for a small engineering business. The business owner has asked you to evaluate options for several SOHO (Small Office Home Office) networks to allow employees to work from home. Often the employees' modem is in a different area of the house than their home office. The business has a strict policy that prohibits wireless networks. Which of the following is the most cost-effective choice?

» Ethernet over Power

What are two benefits of using a Power over Ethernet (PoE) switch versus a non-PoE switch?

» It is more efficient than using an electric outlet and allows network software to manage power to devices.

What is the function of a computer's network adapter or Network Interface Card (NIC)?

» It is responsible for connecting the computer or device to the network.

Why is it recommended that you disable the Universal Plug and Play (UPnP) feature on your router?

» It makes it easy for hackers to discover the router and hijack the network.

What is a characteristic of connection-oriented communication?

» It provides assurance of packet delivery during data transmission.

A bridge divides a local network into two or more segments. Where collisions occur in these segments, the bridge can separate those collision domains. How does the bridge perform this function?

» It tracks MAC addresses of each port and only forwards communications out of the port associated with the destination MAC address.

The main directory standard for interoperability of network resources directories is X.500. What protocol was standardized by Internet Engineering Task Force (IETF) to query and update an X.500 directory over which default protocol(s) and port(s)?

» Lightweight Directory Access Protocol (LDAP) over TCP or UDP port 389

Within your large corporate environment, there are hundreds of users and you need to restrict data access based on different groupings easily distributing data over the network. Which device would you use?

» Managed Switch

What makes up the Simple Network Management Protocol (SNMP) used for collecting information from, and configuring, network devices, such as servers, printers, hubs, switches, and routers on an Internet Protocol (IP) network?

» Management System and agents

The network needs to support a pre-Windows 2000 legacy system. What protocol will need to be enabled?

» NetBT

The use of patch cords, permanent links, and what other devices is referred to as a structured cabling system?

» Patch panels

Service Location Protocol (SLP) is needed to organize and locate resources such as printers, disk drives, databases, and email directories; in a network using TCP for its transport on which port number?

» Port 427

Applications implementing Server Message Block (SMB)/Common Internet File System (CIFS) use it to share files, printers, and network resources on Windows networks usually over TCP on which port number?

» Port 445

If you want to run some sort of server application from your network making it accessible to the Internet, what do you need to setup?

» Port forwarding

Which protocol and port number allows a user to view and control the desktop of a remote Windows computer?

» RDP over TCP port 3389

What is Internet Message Access Protocol (IMAP) over TCP port 143 used for?

» Retrieving email from an email server

What type of device is designed to filter and transfer data packets between dissimilar types of computer networks?

» Router

Why is Service Location Protocol (SLP), that uses Transmission Control Protocol (TCP) for its transport over port number 427, needed?

» SLP is needed to allow clients to locate servers and other services on the network.

What is the purpose of Applications implementing Server Message Block (SMB) sometimes referred to as Common Internet File System (CIFS)?

» SMB/CIFS shares files, printers, and other network resources on Windows networks usually over TCP port 445.

Neither hubs nor bridges are widely used on networks anymore. These appliances have been replaced by Ethernet switches. How are switches like hubs?

» Switches can connect nodes together in a single network, repeating and regenerating signals over multiple ports.

What is the result of disabling Service Set Identifier (SSID) broadcast on a wireless access point (WAP)?

» The access point will not advertise its name to clients within range. (Does not offer much protection against attackers)

The steps for setting up a Digital Subscriber Line (DSL) modem are the same as a cable modem except for one. How does connecting a cable modem differ from DSL?

» The connection to the provider network will be through a coax cable.

A new device is connected to the network. The device automatically receives an IP (Internet Protocol) address. What protocol, transport(s), and port number(s) was responsible for supplying this device its address?

» The device received its IP address from DHCP over UDP on port numbers 67 and 68.

In what way does Dynamic Network Address Translation (DNAT) differ from static NAT?

» There is not a one-to-one ratio of internal to external addresses.

You want to measure the current temperature in your home remotely. Which Internet of Things (IoT) endpoint device would you need to purchase and install?

» Thermostat

For maximum compatibility with any wired network, how would you configure data transferring on the wired Ethernet Network Interface Card (NIC)?

» To auto negotiate

In terms of network access, what is the purpose of a blacklist?

» To identify the devices that are not authorized to access the network

You are building a Small Office Home Office (SOHO) network for a new upstart gaming business. You are placing the gaming server in the Demilitarized Zone (DMZ). Why?

» To protect the server while still making it accessible to other users through the Internet

Telnet on Transmission Control Protocol (TCP) port 23, a command-line emulation protocol and program, is still sometimes used for what?

» Troubleshooting and configuration

TCP (Transport Control Protocol) and UDP (User Datagram Protocol) are the most widely used protocols that are built on the top of IP (Internet Protocol). Both protocols are used to send bits of data over the Internet, which is also known as 'packets'. How is UDP different from TCP?

» UDP is connectionless, faster, a lightweight transport layer, and does not ensure packets are received.

In the network, what does HyperText Transfer Protocol (HTTP) use to submit a request for a resource?

» URL - Uniform Resource Locator

You are installing a Small Office Home Office (SOHO) network. What appliance would you use that requires no configuration, provides basic functions, and ties the network together?

» Unmanaged switch

Power over Ethernet (PoE) is a means of supplying electrical power from a switch port over data cabling, category 5 (Cat 5) or better, to a connected powered device. What is a Power over Ethernet (PoE) power injector used for?

» Upgrading non-PoE network connections to PoE

Which encryption protocol should one use on a SOHO (Small Office Home Office) wireless access point?

» WPA2 - WiFi Protected Access 2

You have an older desktop PC that you connect to the network using Ethernet, but you would like to add WiFi to it for those occasions when you might need it. You do not want to have to replace the existing motherboard and want the best throughput. What's the best way to do this?

» You can install a PCI-E WiFi card.