Streamline Tech 4 to 5 Practice Test

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• Which services does the SS7 ISUP protocol provide? (Choose two.)
• What do bridges require that hubs and repeaters do not?
• Which device allows multiple telephone extensions to access a group of single telephone lines?
• What type of topology connects all devices to a central hub?
• The default PCM voice digitization rate is ____________.
• What does the term "dialog management" refer to in the context of the OSI model?
• Which bits can network administrators use to define custom DiffServ packet PHBs?
• What type of activities will not take place at the Physical Layer?
• Which of the following is a common protocol used for real-time communication that relates to QoS?
• Which of the following is a connection-oriented packet-switched network service?
• Which components are common to all computer systems?
• Which of the following cable types can transmit data farthest?
• According to the North American Numbering Plan (NANP), what does the "803" in 803-550-0000 represent?
• What is the unit of data transferred by an ATM network?
• What are the two primary classifications of bridges?
• What is typically not managed by an operating system?
• A sound card is classified as which type of computer component?
• Which ISDN protocol allows signaling to be passed between networked PBXs?
• At which OSI layer do bridges operate?
• Which of the following troubleshooting tools is not part of a standard TCP/IP implementation?
• Which two solutions might we use to address jitter problems in a VoIP network?
• What troubleshooting strategy involves systematically checking each component in a network?
• What could be an indicator of using the wrong type of cable?
• How many bits in the modified IP ToS field does the DiffServ DSCP use to designate the packet's PHB?
• At which layer of the OSI model are frames handled?
• What is the purpose of the 'TTL' field in IP packets?
• Which tagging method supports thousands of VLANs?
• Which SS7 network component is responsible for storing customer information in databases?
• In terms of network traffic management, what does filtering involve?
• How is the Spanning Tree Protocol defined in terms of network paths?
• Can switches handle two frames simultaneously?
• Which technology is essential for ensuring smooth communication between different types of networks?
• Which class of Internet address provides the fewest network numbers, but the greatest number of hosts per network?
• What is a characteristic of a crossover cable?
• Which of the following is an example of a Network Layer protocol?
• In SIP terminology, what does the BYE method signify?
• Which of these is a disadvantage of using fiber optic cables?
• What is the purpose of a media tester?
• In the IP address 128.18.72.24:80, what does the number 80 represent?
• What is considered the most important question to ask during troubleshooting?
• Which ISDN configuration is primarily used for home or small business connections?
• Which technology is often used to extend the range of a network?
• Which of the following describes the bandwidth of a single FT1?
• In troubleshooting, what comes after identifying symptoms?
• Which type of network is implemented over a public telecommunication switching system?
• Which of the following best describes the role of an ARP cache?
• How are bits represented on fiber optic cable?
• What is it called when signaling occurs over a separate path from the path carrying the analog voice signal?
• What voice issue is a normal occurrence on the PSTN and other voice networks, typically caused by network delay?
• Which scenario is an example of when a gateway is required?
• Which type of routing is suitable for situations with predetermined routes?
• What type of address does a broadcast frame use?
• What types of addresses are stored in a computer's ARP cache?
• Which application operates on the well-known port number 53?
• What distinguishes a crossover cable from a patch cord?
• Which of the following is not a layer of the TCP/IP protocol stack?
• What layer is directly responsible for establishing, managing, and terminating sessions between applications?
• Why is it important for smart LAN administrators to ensure high-quality cable connections?
• Which function completes this sequence: Forwarding, Learning, and _____ as functions of a bridge?
• Transport layer processes use what technique for managing multiple transmissions?
• Which layer is primarily responsible for the physical transmission of data?
• What type of address is recognized as unique globally?
• In data networking, what is defined as "Signals may flow in either direction, but not simultaneously"?
• Does ATM require fiber media to run?
• Which of the following commands is primarily used to display network connections and listening ports?
• What is the main responsibility of a Data Link Layer protocol?
• In which part of a building are punch-down blocks typically located?
• What is a line that connects a customer’s site to a remote CO in another part of the country called?
• What does I/O stand for?
• Which of the following techniques is NOT one of the basic methods used by different layers of protocols to work together?
• What is the primary function of the Data Link layer?
• What are three ways communication networks provide admission control?
• What distinguishes a standard switch from a bridge?
• What action does a repeater take upon receiving a bit pattern at its input?
• Which describes the copper cabling that connects many homes and businesses to the nearest CO?
• QSIG supports which of the following ISDN supplementary services? (Choose three.)
• How does a crossover cable's pinout configuration differ from a patch cord?
• Which of the following WAN services usually provides the highest bandwidth?
• Which of the following would not be used in a typical star topology?
• What is the role of a router in a network?
• Which service is NOT typically provided by the Presentation Layer?
• In a new installation, what step follows identifying the affected area and realizing there is no previous time known when everything worked?
• Which of the following are two types of domain names?
• Which of the following components is essential for keyboard input?
• At which OSI layer do switches primarily function?
• In terms of QoS, what does latency refer to?
• Which type of security problems can a voice mail service be vulnerable to?
• Data security, data compression, and which other service are provided by the Presentation Layer?
• Which command shows the IP address assigned to a computer running Windows XP or Windows 7?
• What function does the Presentation Layer of the OSI model serve?
• True or False: Frame headers and packet headers contain addresses.
• Which connector type is used with Thinnet coaxial cable?
• Which of the following is managed by the operating system (OS)?
• What enables the transport of computer data over analog telephone local loops?
• What is the main benefit of using balanced signaling in serial cables?
• What might a visual inspection reveal about the connectors of a network cable?
• Which method is NOT useful for identifying the type of cable?
• What is a primary characteristic of a broadband network compared to traditional dial-up?
• How does DHCP communicate configuration information to TCP/IP hosts?
• The H.323 component that provides capabilities like billing, authentication, and accounting is a(n) _____.
• What is the connection between switching systems commonly referred to as?
• What aspect differentiates Layer 2 switches from bridges?
• In a Class A Internet address, which of the following network numbers are reserved?
• Which choice describes the time it takes for a packet to move through a network?
• Which cable type is most commonly used for network connections in homes?
• What does the acronym QoS stand for in networking?
• Which statement best describes ISDN DSS1?
• Which two TCP/IP tools can be used to force a workstation to renew its DHCP lease?
• What is the primary difference between a public and private network?
• An Ethernet LAN that uses UTP cabling and a hub as the physical medium is referred to as which of the following?
• What is the primary purpose of using repeaters in a network?
• How much bandwidth in a T1 circuit is allocated for control information?
• The process of segmenting traffic between different portions of a single LAN is known as what?
• At which OSI layer do routers operate?
• Which of the following is an example of a protocol used in the Transport Layer?
• How large is the IP version 4 address field?
• Which component of the ITU-T H.323 standards is used for real-time multimedia communications?
• Which device operates at the Data Link Layer primarily for filtering traffic?
• What command confirms connectivity between hosts on a network?
• A NIC is a device used for?
• In Ethernet networks, what is the primary purpose of a MAC address?
• After entering "arp" into the MS-DOS command line, which of the following switches would display the ARP cache?
• At what point does end-to-end delay in a voice conversation become unacceptable?
• How many wire pairs can be terminated on a 66 block?
• Which term refers to the use of unique identifiers that distinguish processes on a system in the Transport Layer?
• A Ping command uses which ICMP message types? (Choose three.)
• When a router forwards data packets from one network to another, what does it do?
• Which network topology forms a closed loop?
• The function of a sound card primarily relates to which type of data?
• What is likely to improve performance in an Ethernet network?
• Which of the following terms does not mean the same thing as the others?
• Which task would not typically require input from a device driver?
• Which term describes the characteristics of a transmission link like throughput and accuracy?
• What might be a consequence of using bad cable connections in a network?
• What Protocol Independent Multicast (PIM) is designed to support large, densely populated multicast groups?
• Which cable type is typically used for connecting switches or hubs?
• What is the term used to describe the physical connection between an individual telephone and the telephone company’s CO switch?
• Why would a media tester be preferred over a visual inspection alone?
• Which physical characteristic helps balanced signaling in cables?
• Ethernet operates at all speeds except which of the following?
• What is the primary purpose of a Transport Layer protocol?
• What kind of network does QSIG primarily support?
• What issue can occur in a network due to the existence of an active loop?
• The CD in CSMA/CD refers to the ability of an Ethernet node to do which of the following?
• What is the first step in troubleshooting a network problem?
• What type of network is generally faster due to fewer lines used for connections?
• Which layer of the OSI model is responsible for packet forwarding including routing through intermediate routers?
• Which of the following represents a High-Bandwidth Delay Product?
• Which layer of the TCP/IP model is responsible for delivering packets across multiple networks?
• Why is ATM considered better for multimedia?
• Which of the following best represents a logical address in data networking?
• What is one of the main functions of hubs and repeaters?
• What is a key feature of coaxial cables?
• When light travels through a fiber-optic cable, the change in refractive index causes it to refract off which boundary?
• Which hardware device is responsible for building a data frame?
• What kind of devices can typically be connected using a crossover cable?
• What is the feature of a PBX system that creates a log of all incoming and outgoing calls?
• At which OSI model layer does DiffServ operate?
• What is the primary purpose of a Physical Layer protocol?
• At which points in a one-way, multiple hop, end-to-end IP communications session will a frame have to be built?
• What does the service code 411 represent?
• How many 802.1p header bits identify the frame's priority, and how many frame classes does the standard define?
• How many unique addresses are supported by IP version 6?
• What does the 'Ping' command primarily test in a network?
• What is a characteristic of the lower layers of the OSI model?
• Which of the following is NOT a function of a hub?
• Which specification provides a standard definition of Ethernet VLANs?
• What networking technique allows for the division of a single network address into smaller networks?
• What device is required to attach a non-ISDN device to an ISDN network?
• Which protocol is primarily responsible for providing domain name resolution?
• Tracert utilizes which two commands and IP fields for its operation?
• Bridges are commonly needed in scenarios involving what specific connectivity challenge?
• Which component of the SS7 network typically routes and processes calls?
• What is the name of the digital network framework that determines the route a call will take?
• What is defined as a private, internal network that uses Internet applications?
• What is referred to as Centrex when a CO switch provides business telephone switching services?
• What is defined as a loss in signal amplitude that occurs as a signal passes through a transmission medium?
• How do bridges and Layer 2 switches filter traffic?
• Zones maintain domain name information in which record types?
• What occurs in step 8 of the SS7-VoIP Gateway Call Progress?
• What QoS mechanism is supported by the modified IP header ToS byte?
• Which two sources contribute to H.323 network voice transmission delays?
• An Application Layer utility transmits network administration and control messages. Which service should it use if it needs to minimize bandwidth usage and handle retransmissions?
• Central offices are connected to which of the following?
• Which of the following cable types uses a T-connector to connect each NIC to the cable?
• Are WANs increasingly shifting away from switched services?
• What is each wire of a local loop sometimes referred to as?
• When two tones are used to signal switching equipment, what is this signaling method called?
• What is most typical of a broadband network?
• What type of signaling involves sending messages over a separate channel from the voice channel?
• Analog signals on copper cable can be distorted by various fields. Which of the following is NOT a source of distortion?
• Which layer of the OSI model uses port numbers for communication?
• According to 10BaseT wiring rules, what is the maximum segment length without a repeater?
• What type of routing allows network administrators to specify additional information sources for the routing table and network model?
• Which OSI layer primarily focuses on the syntax and semantics of the information transmitted?
• What is the most popular LAN Data Link Layer technology?
• What is the role of protocols in networking?
• When is UTP cable preferred over STP?
• At which layer of the OSI model do hubs and repeaters operate?
• Which troubleshooting tool indicates the distance in hops to the destination computer?
• What is the main purpose of a bridge in a network?
• Which protocol is identified as a simple file transfer method used over UDP?
• Given a scenario where all but one hub port shows green, what is the first troubleshooting step you should take?
• Which OSI model layers are most focused on applications?
• When might a media tester be considered essential for network maintenance?
• Which type of fiber-optic transmission requires a laser transmitter?
• Which of the following IP addresses is classified as Class C?
• Which command would you use to display all current TCP/IP connections and listening ports?
• Which Quality of Service (QoS) parameter indicates variation in network delay?
• According to the IEEE 802.3 standard, what is defined?
• Which best describes IP's use of the TTL value?
• What does a CO DACS provide?
• What is the relationship between packets and frames in the OSI model?
• Which protocol is used to control the way data packets are sent over the network?
• What acronym describes a forwarding behavior based on a packet's condition indicated by its Differentiated Services Code Points (DSCP)?
• Which layer of the TCP/IP model corresponds to the OSI model's Transport Layer?
• Which layer of the OSI model is responsible for the actual transmission of data?
• Which tool can you use on Windows to find out your system's MAC address?
• Which SIP function assesses if an endpoint is available for a call?
• What is the signaling system 7 (SS7) protocol primarily used for?
• What happens when a router forwards data from a frame relay network to an Ethernet network?
• What Fast Ethernet standard can send Ethernet frames at 100 Mbps?
• The Session Layer is primarily concerned with which of the following?
• What defines a broadcast frame?
• What is the main advantage of star topology?
• Why is it essential to monitor packet loss in a network?
• If an Application Layer process needs to minimize overhead, which Transport Layer protocol should it use?
• Which of the following are the two primary types of light sources in fiber optic cables?
• What is the primary purpose of a device driver?
• Which of the following is not typically considered a QoS parameter?
• MGCP is also known as what type of protocol?
• In the context of networking, what does "overhead" refer to?
• Which device cannot solely break up LAN broadcast traffic?
• How do most routers in large networks acquire their routing tables?
• Which type of network management and utility software is typically utilized by network administrators?
• Which best describes the UDP demultiplexing process?
• What is the primary function of a repeater in a network?
• What type of bridge is most commonly used for immediate traffic needs without configuration?
• What is the main reason for the creation of IP version 6?
• What term describes the number of wave crests that pass a fixed point during a particular period of time?
• Which type of cable configuration is likely to cause network communication issues?
• Switching technology fundamentally operates at which layer of the OSI model?
• In the context of SS7, what does ISUP stand for?
• What is the purpose of bandpass filtering on a POTS line?
• Which topology connects all devices to a central hub?
• What tool would be most effective for verifying the correct installation of a cable?
• Which device typically handles data frame encapsulation when transitioning from one network type to another?
• What type of cable is suspected to have been incorrectly installed?
• A dedicated CO circuit linking two points is known as what?
• Which of the following is also known as "Thicknet" or "yellow wire" and has additional copper mesh shielding?
• Carrier sense multiple access with collision detection (CSMA/CD) is most like which of the following?
• To change the address of the default gateway on a Linux server, which tool should be used?
• What is a key feature of routers in networking?
• What is the second step when troubleshooting a network?
• What is a primary characteristic of a QoS-enabled network?
• What are the three basic functions of a telephone switch when it processes calls?
• Which DHCP network address allocation mechanism assigns a host a temporary IP address?
• What type of cable is most commonly used in Ethernet LANs?
• A Class 5 office connects individual subscribers to the telephone network and is also referred to as:
• What are Subscriber Line Carrier (SLC) circuits primarily used for?
• When troubleshooting network issues, why is identifying the cable type important?
• What role does the Data Link Layer play in data transmission?
• Which MS-DOS command-line utility is the quickest and easiest way to evaluate whether a computer is up and running, and attached to a TCP/IP network?
• Which solution offers a more economical option than regular long-distance service for routing telephone calls over a data network?
• What is the role of a DiffServ-capable router?
• Which protocol is frequently associated with the Session Layer?
• Which of the following is a Microsoft Windows utility that displays a computer's IP addressing and connectivity settings?
• Which of the following applications utilize UDP services? (Choose three.)
• In data networks, what is the role of the Transport layer?
• Which activities occur at the Application Layer?
• To inspect the IP address of a Windows operating system PC, which command should you use?
• Which QoS parameter is most relevant when considering the Internet's "best effort" delivery service?
• What unique ID number, coordinated by the Institute of Electrical and Electronics Engineers, is used by only one network interface card worldwide?
• Which of the following is another name for a CO?
• Collisions are normal on CSMA/CD LANs and not usually the result of errors. True or False?
• What is the binary representation of the decimal number "14"?
• When comparing two CPUs with the same size data bus, which factor determines which will process data faster?
• Which network topology connects devices to a shared straight-line cable?
• An MG consists of which two components?
• Which command is used to show the path between source and destination in a TCP/IP network?
• What is the primary purpose of a network switch?
• What is the primary function of an HTTP Server?
• The CS in CSMA/CD refers to the ability of an Ethernet node to do which of the following?
• What is the third type of indirect routing, alongside static and dynamic routing?
• What is the purpose of the Address Resolution Protocol (ARP)?
• What type of signaling reduces vulnerability to interference in data transmission?
• Which network type benefits from the use of crossover cables?
• Which VLAN tagging standard header does IEEE 802.1p modify to identify Ethernet frame priority?
• Which layer of the OSI model is responsible for data transmission without addressing?
• What is a key feature of the Data Link Layer?
• Which protocol has a header of 5 bytes and a trailer of 3 bytes?
• What is the result of using a crossover cable when a patch cable is required?
• Which choices are TCP features? (Choose three.)
• What term describes the variability of delay a packet experiences as it travels between network devices?
• Which device is primarily responsible for directing data packets based on IP addresses?
• What does the Type field "14" signify in an ICMP message?
• Which networking solution is more cost effective for connecting multiple locations?
• Which TCP/IP tool is primarily used to examine dynamic IP address configurations?
• Which device types are responsible for isolating traffic within an Ethernet network?
• What does ISDN stand for?
• Which of the following is best described as similar to a hub?
• To resolve FQDNs to binary IP addresses, resolvers contact which type of TCP/IP application server?
• What is a common result of misidentifying a crossover cable as a patch cable?
• What is the major consequence of having duplicate frames in a network?