Network+ Practice Exam Questions Show
A device designed to filter and transfer data packets between dissimilar types of computer networks is called? What refers to a data link (Layer 2) device designed to forward data packets between Local Area Network (LAN) segments? What refers to a software or hardware that monitors network traffic and depending on the configuration settings applied to each data packet either blocks it or allows it to pass through? A security solution implemented on an individual computer monitoring that specific system for malicious activities or policy violations is referred as? What illustrates the difference between passive and active security breach response? An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred as? An application software used to selectively block access to certain websites is an example of? A network device designed for managing the optimal distribution of workloads across multiple computing resources is called? The disadvantage from using this device results from the fact that any incoming signal on any of its ports is recreated and sent out on any connected ports which has a negative impact on network performance. What allows for establishing a communication channel over a PSTN? A technology that allows for prioritizing certain types of network traffic in order to improve the overall network effectiveness and performance is known as? What refers to a dedicated device for managing encrypted connections established over an untrusted network, such as the Internet? A system that uses public network (e.g. Internet) as a means for creating private encrypted connections between remote locations is known as? Virtual private network (VPN) What refers to Genetic Routing Encapsulation (GRE)? What solutions are used for implementing VPNs? In the AAA security architecture, the process of tracking accessed services as well as the amount of consumed resources is called? What refers to the process of granting or denying access to resources? What part of the AAA security architecture deals with the verification of identity of a person or process? What solutions provide(s) the AAA functionality? A dial-up or VPN connection allowing remote users to access corporate network requires what type of service? A software solution designed to enable interaction between two devices over a network is generally referred to as? An IP PBX system is an example of? What is an example of a protocol used for implementing control over multiple Access Points (APs)? What solutions provides an alternative to manual assignment of IP addresses? What terms refers to permanent IP address assignment from a DHCP server? A range of IP addresses assigned to hosts requesting dynamic IP address from a DHCP server is known as? The duration of time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred as? DHCP allows for passing additional configuration settings to DHCP clients on a network. The additional settings might include (among other types of configuration info) the default gateway IP address, or DNS server IP address. What refers to the part of a DHCP message containing those settings? What refers to a system containing mapping a of domain names to various types of data, such as for example numerical IP addresses? In order to be able to connect to a website and display its contents, a URL entered in the web browser address bar needs to be translated into an IP address. What servers is used to handle this type of request? What DNS database records returns a 32-bit IPv4 address? What DNS database records maps a domain name to a list of mail servers for that domain? The DNS database AAAA record creates a pointer that maps a host name to? What DNS database records allows multiple domain names to resolve to the same IP address? What statements describe the function of a DNS PTR record are true? PTR record resolves an IP address to a host name for reverse lookups. What refers to a solution that allows for keeping a domain name linked to a changing IP address? In computer networking, a system or an application processing requests on behalf of another system is commonly referred to as? What statements describe the function of a forward proxy? Acts on behalf of a client What statements describe the function of a reverse proxy? Acts on behalf of a server What solutions alleviates the problem of depleting number of routs me IPv4 addresses? What refers to a Network Address Translation (NAT) method that binds a combination of private IP address and port number with a corresponding public IP address and port information? A server with a private IP address has been set up to handle requests from an outside (public) network. What solutions would enable this function? A type of network covering large geographic areas is commonly referred as? What are characteristic feature(s) of fiber-optic cabling? Immunity to electromagnetic interference What refers to examples of packet-switching communication methods? What are the characteristics features of satellite internet connections? Signal latency The use of cable modems within a standard cable television infrastructure for Internet access is commonly referred as? What is the most common type of a DSL Internet access? What solutions allows for simultaneous digital transmission of voice, video, data, and other network services over a PSTN? What is the size of an ATM cell? What refers to a method for establishing a dedicated point-to-point link between two networked devices? What technology enables the use of different types of network protocols on the same network? What refers to cellular technologies used in mobile networks? What type of standard is LTE? The characteristic feature of the Evolved High-Speed Packet Access (HSPA+) standard is the use of? What Internet access types takes advantage of the traditional PSTN lines? The IEEE 802.16 standards defining high-speed,long distance wireless communication are also commonly referred to as? What lists a more costly alternative to VPN? T1 lines support data rates up to? What is the maximum data transfer rate of an E1 connection? T3 lines support data transfer rates of up to What refers to the maximum data transfer rate of an E3 connection? What refers to an international standard for high-speed data communications over fiber-optic media? A method that allows to combine multiple analog or digital data streams for transmission over a shared medium is know as? What refers to examples of circuit-switching communication methods? What are the characteristic features of the RJ-11 connector? Used with telephone cabling What refer to the RJ-45 connector? Used with Ethernet network cabling What connector types would be used for terminating a T-1 line?
What connector types are used for connecting devices to a RS-232 port? A device used for the purpose of extending the length of various types of network cable runs is commonly referred as? What connector types are used with coaxial cabling? What cabling types provides protection against an outside signal interference? In twisted-pair cabling wires are grouped into pairs and wires in each pair are twisted around each other in order to reduce what? What is the typical cable segment length for a copper twisted-pair Ethernet cable? What is the characteristic features of a Category 5 (CAT5) cabling? Copper cable What twisted-pair copper cabling types is most commonly used in modern Ethernet networks? What is the minimum cabling requirement for a 10GBASE-T network? A type of enclosed space in a building (such as the one between a dropped ceiling and the structural ceiling) used for air handling commonly referred as? What are examples of coaxial cabling types? What kind of termination would be used to create straight-through Ethernet cable? T568A on both ends An Ethernet straight-through cable is also commonly referred as? What type of Ethernet cable would be used for establishing a direct communication link between two PCs? What cable types is often used to connect a computer terminal to a routers console port? What are examples of fiber-optic connectors? What refer to solutions used for controlling the light signal at a termination point of a fiber-optic connection? A network link consisting of two dissimilar media types requires an intermediary device known as? What tools would be used for attaching an RJ-45 connector to the end of a twisted-pair Ethernet cable? What tool would be used for attaching cables to a 110 block? What is the name of a tool used for removing electrical insulation cover from electric wires? What specialized tool is used for evening out wire ends? What is the function of a Time-Domain Reflectometer (TDR)? Finding breaks in copper network cables What tools allows for verification of the network cabling installation performance and its compliance with TIA or ISO standards? A network topology in which each node has a direct physical connection to every other node is called? What is the number of connections in a full mesh network consisting of 10 nodes? What type of network topology provides the highest level of redundancy? In what type of network topology the main network cable becomes a single point of failure? A network topology in which each node connects exactly two other modes is called? SONET networks are most often based on? A network topology in which each node connects to a central device is called? What network topologies is most commonly used in contemporary Ethernet LANs? What is an example of point-to-point network topology? The advantages of the client-server model over peer-to-peer networking model include? Higher level of security A computer network connecting multiple smaller networks over very large geographical areas is known as? A computer network connecting multiple LANs over an area of a city or campus is called? A network connecting computers within a small geographic area such as a building or group of buildings is commonly referred to as a? A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is commonly referred to as? Most modern WLANs are based on? What refers to a WLAN hotspot? A type of limited-range computer network used for data transmission among various types of personal devices centered around a single workstation is known as? What technologies can be used by devices communicating in a WPAN? Bluetooth What acronym refers to a general term used for a system providing the capability for remote control, real-time monitoring, and gathering information related to industrial equipment? What are examples of Industrial Control System (ICS) solutions? What refers to a Cisco network architecture designed to improve the performance of video and rich-media applications? What acronym refers to a solution that enables simultaneous two-way video and audio transmissions between multiple networked hosts? The examples of technologies used for implementing VTC solutions include? An IPv6 address consists of? What refers to the example application of EUI-64? An IPv6 link-local address is the equivalent of IPv4? What refers to an IPv6 link-local address? IPv6 addresses are expressed with the use of? What are IPv6 loop back addresses? What is a valid address of FE80:0000:0000:0000:02AA:0000:4C00:FE9A after compression? An IPv4 to IPv6 transition mechanism that allows IPv6 packets to be transmitted over an IPv4 network is known as? What does the term "Miredo" refer to? Teredo IPv6 tunneling software What is the binary notation of the decimal number 192? An IPv4 address consists of? What is the decimal notation of the binary number 10101100? What is the default (classful) subnet mask for a class A network? What is an example of an APIPA address? What is the default (classful) subnet mask for a class B network? What is the default (classful) subnet mask for a class C network? An IPv4 address in the range 169.254.1.0 through 169.254.254.255 indicates a problem with what type of service? What is the CIDR notation of the 255.255.255.224 subnet mask? What is the leading octet value range for an IPv4 address belonging to a class B network? What is the IPv4 multicast address block? What solutions alleviates the problem of the depleting IPv4 address space by allowing multiple hosts on the same private LAN to share a single public IP address? What solutions hides the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing device? What refers to a Network Address Translation (NAT) method that binds a combination of private IP address and port number with a corresponding public IP address and port information? What refers to the characteristic features of MAC address? Hard-coded into a NIC Address resolution protocol (ARP) provides what kind of resolution? What commands would be used to display MAC address in Linux? What command-line command used to display MAC address in MS Windows? A type of network traffic intended for a single host identified by s unique IP address is commonly referred to as? What transmission types would be used to reach a networked host with unknown address? A type of network traffic intended for a particular group of hosts is known as? What device is used for separating broadcast domains? What network attack type exploits broadcast traffic? What network protocol providing means for controlling access to a transmission medium? What solution allows for verifying the absence of other traffic on a shared medium before transmitting in order to prevent collisions and loss data in 802.3 networks? What type of device is designed to filter and transfer data packets between this similar types of computer networks?A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets.
What is a dedicated device that manages encrypted connections from multiple devices communicating over an untrusted network?A VPN appliance, also known as a VPN gateway appliance, is a network device with enhanced security features. Also known as an SSL VPN appliance, it is a router that provides protection, authorization, authentication and encryption for VPNs.
Which of the following is an application software that selectively blocks access to websites?A firewall is a computer network security system that restricts internet traffic in, out, or within a private network. This software or dedicated hardware-software unit functions by selectively blocking or allowing data packets.
Which device improves network performance by dividing a given network?By separating two or more LAN segments into multiple collision domains, the bridge reduces the number of collisions that could potentially occur on a LAN segment (fewer LAN speakers on the same segment), which improves network performance. The next evolution was the network switch.
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An infrastructure device designed for connecting wireless/wired client devices to a network
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