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Networking Final Exam first
150 Questions Study 2024-
2025. Questions & Correct
Answers. Graded A+
__________ broadcasts data in small, discrete chunks over the different frequencies available within a certain frequency range. - ANSSpread-spectrum __________ problems manifest themselves as intermittent problems. - ANSHeat and power A __________only comes into play if a computer hasn't heard from the router recently and demands a router advertisement.
- ANSrouter solicitation A deauthentication (deauth) attack is a form of __________ attack. - ANSDoS A DHCPv6 server is operating very similarly to an IPv4 DHCP server by passing out complete IPv6 information: addresses and default gateways, as well as items like DNS server addresses. In which mode is this server? - ANSStateful A first responder's main way to secure an area is __________. - ANSbeing physically present at the scene A MAC address is also known as a(n) __________ address. -
ANSphysical A packet sniffer is a program that queries a network interface and collects packets in a file called a __________ file. - ANScapture A protocol analyzer tool is often referred to as a __________ analyzer. - ANSpacket A virtual machine that's shut down or suspended is no more than a(n) __________ or folder sitting on a hard drive. - ANSfile All IPv addresses have a DNS record type of __________. - ANSAAAA An NMS can tell an agent to make changes to the information it queries and sends, called variables, through a __________ protocol data unit (PDU). - ANSSet Before plugging in RJ 45 cables, what should you determine to save a lot of time and effort once the system installation starts? - ANSInternal IP addressing scheme Bluetooth devices are not visible unless they are manually set to __________ mode. - ANSdiscoverable Code-division multiple access (CDMA) came out not long after GSM, and used a __________form of transmission. - ANSspread-spectrum Connected Bluetooth devices create a __________. - ANSpersonal area network Cryptographic hash
network, the BSSID is the same as __________ for the WAP. - ANSthe MAC address In NetFlow, single flows are stored in a __________. - ANSflow cache In the case of a switch, it is typical for packet sniffers to connect to an interface using a __________ port. - ANSmirrored In the newer Bluetooth 4. version, what is required during the pairing process? - ANSA four digit PIN Installing backup power in case of electrical failure is a form of __________. - ANSredundancy Jumbo frames are usually __________ bytes long—though technically, anything over 1500 counts—and they reduce the total number of frames moving through the network. - ANS9000 LTE networks feature speeds of up to __________ download. - ANS300 Mbps Microsoft has a utility called __________ that combines the functions of ping and tracert and adds some additional functions. - ANSpathping On a TCP/IP network, a router determines where an incoming packet should go by looking at the packet's __________. - ANSdestination IP addresses One of the benefits of using a SAN is that, by just
reading and writing at the block level, it __________. - ANSavoids the performance costs of implementing its own file system One of the first techniques that malicious users try is to probe hosts to identify any __________ ports. - ANSopen One of the last GSM technologies, Enhanced Data rates for GSM Evolution (EDGE), offered data speeds up to __________. - ANS384 Kbps Packet sniffers need to capture all the packets they can so it is typical for them to connect to an interface in __________ mode. - ANSpromiscuous Performance monitors use system __________ files to track performance over time. - ANSlog Pretty much any attempt to guess the contents of some kind of data field that isn't obvious (or is hidden) is considered a(n) __________ attack. - ANSbrute force The __________ defines who may access the network, how they may access the network, and what they can access. - ANSnetwork access policy Time-division multiple access (TDMA) enabled multiple users to share the same __________ more or less at the same time. - ANSchannel To make rollouts affordable, most fiber-to-the-
ANSAll nodes address What is the low end speed of the SONET Optical Carrier specification (OC-1)? - ANS51.8 Mbps What is the maximum distance between a user's demarc and the central office for all versions of DSL? - ANS18,000 feet What is the primary use of coaxial cable in networking today? - ANSConnecting a cable modem to an ISP What is the purpose of a crimper? - ANSTo connect an RJ-45 connector to the cable What is the range of transfer speed for ATM? - ANS155 to 622 Mbps and beyond What OSI model layer supports content switches? - ANSLayer 7 What term does syslog use when referring to the monitored aspect of the system? - ANSFacilities What type of conversion process occurs with power converters? - ANSAC to DC What type of IPv6 address do you need in order to get on the Internet? - ANSGlobal unicast address What type of unit is formed by a single WAP servicing a given area? - ANSBasic Service Set What type of unit is formed by a single wireless access point servicing a given area that has been extended by adding more access points? - ANSExtended
Service Set What type of unit is formed by two or more wireless nodes communicating in ad hoc mode? - ANSIndependent Basic Service Set What User Datagram Protocol (UDP) ports does SNMP use for secure communication? - ANS10161 and 10162 What User Datagram Protocol (UDP) ports does SNMP use for unsecure communication? - ANS161 and 162 When an IPv computer joins a network, it sends out multicast __________ packets searching for other computers on its broadcast domain. - ANSneighbor solicitation Which address does a computer running IPv6 give itself when it first boots up? - ANSLink-local Which address notation is the IPv6 loopback address? - ANS::1 Which address range does multicast use in IPv4? - ANS224.0.0.0/4 Which advantage of virtualization provides substantial reduction in dollars spent and electricity used? - ANSPower savings Which category (CAT) of UTP cabling is the fastest of those listed? - ANSCAT 6 Which command can be used on a Windows computer to view the IP settings? - ANSipconfig Which command would a technician use to
to supply and the time frames in which to supply them? - ANSStatement of work Which document is arguably the most famous of all security policies as this is one document that pretty much everyone who works for any organization is required to read, and in many cases sign, before they can start work? - ANSAcceptable use policy Which encryption standard uses Advanced Encryption Standard (AES), a 128-bit block cipher that is much tougher to crack than the 128-bit TKIP-RC wrapper? - ANSWi-Fi Protected Access 2 Which entity passes out IPv6 prefixes? - ANSRIRs Which hypervisor comes with Microsoft Server and Windows 10? - ANSHyper-V Which hypervisor is closely integrated with Linux's kernel? - ANSKVM Which hypervisor is considered to be the industry leader? - ANSESXi Which hypervisor serves as the foundation for massive cloud offerings by Amazon, IBM, and RackSpace? - ANSCitrix XenServer Which individual will examine an infrastructure to find existing vulnerabilities and, instead of hurting the infrastructure, report findings so that an administrator can
further harden the network? - ANSWhite hat hacker Which industrial control system (ICS) device knows enough to manage a process? - ANSController Which industrial control system (ICS) device makes changes that modify a characteristic such as temperature? - ANSActuator Which industrial control system (ICS) device monitors characteristics like temperature? - ANSSensor Which ipconfigcommand switch would a technician use to display detailed information (such as DNS servers and MAC addresses)? - ANS/all Which layer of the OSI model uses routers and IP addresses to ensure that packets arrive at the correct system? - ANSNetwork Which layer of the TCP/IP model uses connection-oriented protocols? - ANSTransport Which Linux command can be used to view IP settings? - ANSip Which machine allocates real RAM and CPU time to every running virtual machine? - ANSHost machine Which multicast addresses will only reach routers? - ANSFF02::2 Which of the channels defined by the 802.11 standard may be used by a WAP using the 2.4-GHz band in the United States? - ANS1 through 11
defines what an authenticated person can do with data? - ANSAuthorization Which term describes a DSL device that is located in a central office, connecting multiple DSL customers to the Internet? - ANSDSLAM Which term describes a port on a switch that is configured to carry all traffic, regardless of VLAN number, between all switches in a LAN? - ANSTrunk port Which term describes a technology that spreads data across multiple drives? - ANSRAID Which term is another name for an optical power meter? - ANSLight meter Which term refers to a single computer under the control of an operator? - ANSZombie Which term refers to a software connection that passes traffic from the real NIC to a virtual one? - ANSBridge Which term refers to a technology that serves as a replacement for Frame Relay and ATM switching? - ANSMulti-Protocol Label Switching Which term refers to any form of potential attack against your network? - ANSThreat Which term refers to the administrative account native to Linux? - ANSRoot Which term refers to the most common limiting factor in a host's ability to run virtual
machine? - ANSRAM Which term refers to the result of running cleartext through a cipher algorithm using a key? - ANSCiphertext Which term represents a measurement of how well a wireless device is connecting to other devices? - ANSSignal strength Which tool can be used to notify a technician where a cable break is occurring on a copper cable? - ANSTDR Which tool can be used to notify a technician where a cable break is occurring on a fiber cable? - ANSOTDR Which tool has only one job: to help a technician locate a particular cable?
- ANSTone generator Which tool is a port scanner? - ANSNmap Which tool is an example of a Type 1 hypervisor? - ANSVMware ESXi Which tool is an open-source tool for penetration testing pretty much every aspect of wireless networks? - ANSAircrack- ng Which tool is considered to be the go-to tool for vulnerability testing? - ANSMetasploit Which tool puts UTP wires into 66- and 110-blocks? - ANSPunchdown tool Which tool tests a cable to ensure that it can handle its rated amount of capacity? - ANSCertifier Which tool was developed for packet
Mbps, a range of up to about 300 feet, operates in the 2.4 GHz frequency, and is backward-compatible with an earlier, popular Wi-Fi standard? - ANS802.11g Which wireless network mode operates by allowing two or more devices to communicate directly without any other intermediary hardware? - ANSAd hoc Which written document defines how an organization will protect its IT infrastructure? - ANSSecurity policy Who is responsible for the process of determining critical assets? - ANSSenior management Within the Differentiated Services (DiffServ) architecture, how many classes of service (CoS) are there? - ANSEight
