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CP!402 quiz
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Perguntas do quiz (109)
172.257.126.11 is a valid A class host address.
- AVerdadeiro
- BFalso
2In CIDR, conventional network class distinctions do not exist.
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3Some software errors point to a physical connectivity problem.
- AVerdadeiro
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4Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems
- AVerdadeiro
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5193.255.126.255 is a valid C class host address.
- AVerdadeiro
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6In a star topology, a single connection failure will halt all traffic between all sites.
- AVerdadeiro
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7In data networks, the task of directing information efficiently to the correct destination is handled by connectivity devices, primarily switches and routers.
- AVerdadeiro
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8Standards assist in network design.
- AVerdadeiro
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9Not all Transport layer protocols are concerned with reliability.
- AVerdadeiro
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10Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.
- AVerdadeiro
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11All protocols are routable.
- AVerdadeiro
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12The command used to view IP information on a Windows workstation is ipconfig.
- AVerdadeiro
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13Cut-through switches can detect corrupt packets.
- AVerdadeiro
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14Human errors, ignorance, and omissions cause more than half of all security breaches sustained by networks.
- AVerdadeiro
- BFalso
15A physical topology ____.
- Aa. specifies device types
- Bb. depicts a network in broad scope
- Cc. specifies connectivity methods
- Dd. specifies addressing schemes
16In which OSI model layer does TCP operate?
- APhysical
- Bb. Transport
- Cc. Network
- Dd. Data Link
17Transport layer protocols break large data units into ____.
- APDUs
- Bb. segments
- Cc. frames
- Dd. block IDs
18____ is a utility that can verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.
- AARP
- Bb. PING
- Cc. Telnet
- Dd. FTP
19On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.
- Aa. collision domain
- Bb. broadcast domain
- Cc. interference domain
- Dd. duplicate domain
201000Base-SX has a maximum throughput of ____.
- Aa. 1 Gbps
- Bb. 10 Gbps
- Cc. 100 Gbps
- Dd. 1000 Gbps
21The ____ gateway is the gateway that first interprets its outbound requests to other subnets, and then interprets its inbound requests from other subnets.
- Aa. proxy
- Bb. core
- Cc. Internet
- Dd. default
22How is reliability achieved in TCP?
- Aa. Routing
- Bb. Sliding windows
- Cc. Sequence numbers and acknowledgements
- Dd. Port numbers
23Within a classful addressing subnet mask, the ____ bits indicate that corresponding bits in an IPv4 address contain network information.
- Aa. 0
- Bb. 1
- Cc. first eight
- Dd. last eight
24CIDR notation takes the form of the network ID followed by a(n) ____, followed by the number of bits that are used for the extended network prefix.
- Aa. dash ( - )
- Bb. underscore ( _ )
- Cc. backward slash ( \ )
- Dd. forward slash ( / )
25A(n) ____ is a graphical representation of a network’s devices and connections.
- Aa. Multi Router Traffic Grapher
- Bb. network diagram
- Cc. wiring schematic
- Dd. event viewer
26____ management refers to monitoring how well links and devices are keeping up with the demands placed on them.
- Aa. Performance
- Bb. Fault
- Cc. Network
- Dd. Configuration
2728. ____ involves manipulating certain characteristics of packets, data streams, or connections to manage the type and amount of traffic traversing a network or interface at any moment.
- Aa. Traffic monitoring
- Bb. Traffic routing
- Cc. Traffic polling
- Dd. Traffic shaping
28The most common type of caching is ____ caching.
- Aa. online
- Bb. Web
- Cc. Internet
- Dd. device
29A ____ is a software-based tool that continually monitors network traffic from a server or workstation attached to the network.
- Aa. network monitor
- Bb. sniffer
- Cc. protocol analyzer
- Dd. multimeter
30The ____ utility allows you to view a host’s routing table.
- Aa. nbstat
- Bb. pathping
- Cc. nslookup
- Dd. route
31Which of the following is a valid IP public address for use by a host on a LAN?
- Aa. 10.2.256.5
- Bb. 200.0.0.1
- Cc. 192.168.10.5
- Dd. 127.0.0.1
32The result from ANDing 11110101 with 10111100 is ____.
- Aa. 11111101
- Bb. 10111101
- Cc. 10110100
- Dd. 01001010
33What is the default administrative distance of static routes?
- Aa. 120
- Bb. 0
- Cc. 90
- Dd. 1
34What is an Autonomous System in the context of internetworking?
- Aa. A system that functions independently without external intervention
- Bb. A group of routers under a common administration
- Cc. A group of routers that have routes to every member of the group
- Dd. A group of routers that can be configured by simply changing the settings in any one member
35What does a layer 2 switch do when it receives a broadcast frame from one of the hosts connected to it?
- Aa. Forwards it to all the other hosts connected to the switch
- Bb. Examines the TTL field in the header and if the value is not 0, forwards it to all the other hosts on the switch
- Cc. Discards it
- Dd. A and B
36When would static NAT be used over dynamic NAT?
- Aa. When there is only a single public IP address available
- Bb. When a router does not support NAT
- Cc. When a server requires a fixed Global IP address
- Dd. To assign an IP address from an IP address pool
37Because WAN connections require routers or other Layer 3 devices to connect locations, their links are not capable of carrying ____ protocols.
- Aa. open
- Bb. standard
- Cc. routable
- Dd. nonroutable
38A(n) ____ is the place where a telephone company terminates lines and switches calls between different locations.
- Aa. CO
- Bb. EO
- Cc. DO
- Dd. TO
39The portion of the PSTN that connects any residence or business to the nearest CO is known as the ____.
- Aa. demarcation point
- Bb. NIU (Network Interface Unit)
- Cc. local loop
- Dd. central office
40Repeaters operate in the ____ layer of the OSI model.
- Aa. Physical
- Bb. Network
- Cc. Transport
- Dd. Session
41A ____ can interpret physical addressing information.
- Aa. repeater
- Bb. tranciever
- Cc. hub
- Dd. bridge
42Switches can create ____ by grouping a number of ports into a broadcast domain.
- Aa. trunks
- Bb. spanning trees
- Cc. gateways
- Dd. VLANs
43____ routing is a technique in which a network administrator programs a router to use specific paths between nodes.
- Aa. Static
- Bb. Dynamic
- Cc. Best path
- Dd. Link-state
44A complex combination of topologies is known as a ____ topology.
- Aa. mixed
- Bb. hybrid
- Cc. compound
- Dd. mulitpart
45The most common logical topologies are ____ and ring.
- Aa. bus
- Bb. star
- Cc. wired
- Dd. hybrid
46Within Ethernet frame types, the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
- Aa. FCS
- Bb. header
- Cc. preamble
- Dd. frame
47In a ____ attack, a person redirects or captures secure transmissions as they occur.
- Aa. denial-of service
- Bb. man-in-the-middle
- Cc. war driving
- Dd. phishing
48____ software searches a node for open ports.
- Aa. Phishing
- Bb. Sniffing
- Cc. Authentication
- Dd. Port scanner
49A ____ main function is to examine packets and determine where to direct them based on their Network layer addressing information.
- Aa. switch’s
- Bb. gateway’s
- Cc. router’s
- Dd. proxy server’s
50____ attack occurs when a hacker tries numerous possible character combinations to find the key that will decrypt encrypted data.
- Aa. flashing
- Bb. denial-of-service
- Cc. dictionary
- Dd. brute force
51The combination of a public key and a private key is known as a ____.
- Aa. key lock
- Bb. key frame
- Cc. key pair
- Dd. key set
52RADIUS and TACACS belong to a category of protocols known as AAA (____).
- Aa. access, authorization, and accounting
- Bb. authentication, authorization, and accounting
- Cc. authentication, authorization, and authority
- Dd. authentication, authorization, and access
53Standards define the ____ performance of a product or service.
- Aa. ideal
- Bb. most acceptable
- Cc. minimum acceptable
- Dd. maximum acceptable
54In which OSI model layer(s) do NICs operate?
- Aa. Physical
- Bb. Network and Physical
- Cc. Data Link
- Dd. Physical and Data Link
55A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.
- Aa. port
- Bb. source
- Cc. destination
- Dd. sequence
56The protocol that enables TCP/IP to internetwork - that is, to traverse more than one LAN segment and more than one type of network through a router is ____.
- Aa. TCP
- Bb. ICMP
- Cc. UDP
- Dd. IP
57In IPv6, each address contains a(n) ____, or a variable-length field at the beginning of the address that indicates what type of address it is.
- Aa. Variable Prefix
- Bb. Address Prefix
- Cc. Format Prefix
- Dd. Field Prefix
58In IPv4 addressing, a node with an IP address of 128.64.88.20 belongs to a Class ____ network.
- Aa. A
- Bb. B
- Cc. C
- Dd. D
59Which of the following best describes the definition of administrative distance?
- Aa. Measure of the trustworthiness of the source of a route update
- Bb. The number of hops to a destination node recorded in the routing table
- Cc. The maximum number of hops for a routing protocol which is used to set the TTL value in an IP packet
- Dd. Distance to the closest network administrator
60Which of the following statements is true regarding CSMA/CD after a collision has occurred?
- Aa. Each device waits for a random backoff period before attempting to retransmit
- Bb. Both stations stop transmitting immediately
- Cc. The devices involved in the collision have priority to transmit data
- Dd. The device with the highest priority will attempt to retransmit first
61The decimal number 782 converted to binary is
- Aa. 1010001000
- Bb. 10000000110
- Cc. 11100011100
- Dd. 1100001110
6264. When signals may travel in both directions over a medium but only in one direction at a time, the transmission is considered ____.
- Aa. simplex
- Bb. multiplex
- Cc. half-duplex
- Dd. full-duplex
63Which network model ensures that no computer on the network has more authority than another?
- Aa. client/server
- Bb. stand alone
- Cc. peer-to-peer
- Dd. distributed
64____ networks are the most popular type of network for medium- and large-scale organizations.
- Aa. Client/server
- Bb. Peer-to-peer
- Cc. Stand-alone
- Dd. Stationary
65A ____ network is confined to a relatively small space.
- Aa. NAN
- Bb. MAN
- Cc. WAN
- Dd. LAN
66Which network topology is the most common?
- Aa. ring
- Bb. star
- Cc. hybrid
- Dd. Ethernet
67Which OSI model layer initiates the flow of information?
- Aa. Physical
- Bb. Session
- Cc. Application
- Dd. Presentation
68Which OSI model layer manages data encryption?
- Aa. Physical
- Bb. Session
- Cc. Application
- Dd. Presentation
69Which type of protocol is useful when data must be transferred quickly?
- Aa. connection-oriented
- Bb. connectionless
- Cc. TCP
- Dd. IP
70____ is the process of reconstructing segmented data.
- Aa. Reassembly
- Bb. Reengineering
- Cc. Resegmenting
- Dd. Realigning
71The process of determining the best path from Point A on one network to Point B on another is known as ____.
- Aa. mapping
- Bb. enhancing
- Cc. reconfiguring
- Dd. routing
72In which OSI model layer does IP operate?
- Aa. Physical
- Bb. Transport
- Cc. Network
- Dd. Data Link
73Which Data Link sublayer manages flow control?
- Aa. LLC
- Bb. MAC
- Cc. Management layer
- Dd. Addressing layer
74Which Data Link sublayer manages access to the physical medium?
- Aa. LLC
- Bb. MAC
- Cc. Management layer
- Dd. Addressing layer
75When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
- Aa. simplex
- Bb. multiplex
- Cc. half-duplex
- Dd. full-duplex
76When signals may travel in only one direction over a medium, the transmission is considered ____.
- Aa. simplex
- Bb. multiplex
- Cc. half-duplex
- Dd. full-duplex
77The most significant factor in choosing a transmission method is its ____.
- Aa. noise
- Bb. attenuation
- Cc. throughput
- Dd. latency
78The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
- Aa. throughput
- Bb. attenuation
- Cc. cross talk
- Dd. latency
79TCP is a(n) ____ protocol.
- Aa. open-ended
- Bb. indiscriminating
- Cc. connection-oriented
- Dd. connectionless
80____ is more efficient than TCP for carrying messages that fit within one data packet.
- Aa. IP
- Bb. UDP
- Cc. ICMP
- Dd. IGMP
81In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.
- Aa. TCP
- Bb. UDP
- Cc. IP
- Dd. ARP
82In IPv4 addressing, each public IP address is a unique ____ number.
- Aa. 12-bit
- Bb. 32-bit
- Cc. 64-bit
- Dd. 128-bit
83In IPv4 addressing, a node with an IP address of 168.34.88.29 belongs to a Class ____ network.
- Aa. A
- Bb. B
- Cc. C
- Dd. D
84In IPv4 addressing, an IP address whose first octet is in the range of 192–223 belongs to a Class ____ network.
- Aa. A
- Bb. B
- Cc. C
- Dd. D
85The default subnet mask for a Class B network is ____.
- Aa. 255.0.0.0
- Bb. 255.255.0.0
- Cc. 255.255.255.0
- Dd. 255.255.255.255
86A(n) ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.
- Aa. anycast
- Bb. unicast
- Cc. multicast
- Dd. singlecast
87All Ethernet networks, independent of their speed or frame type, use an access method called ____.
- Aa. CSMA
- Bb. CSMA/DC
- Cc. CSAM/CD
- Dd. CSMA/CD
88A ____ occurs when two transmissions interfere with each other.
- Aa. jam
- Bb. collision
- Cc. carrier sense
- Dd. multiple access event
89Together, the FCS and the header make up the ____-byte “frame” for the data.
- Aa. 15
- Bb. 18
- Cc. 21
- Dd. 24
90In addition to viewing its LEDs and using a loopback plug to test a NIC’s functionality, you can also check a NIC’s connectivity with ____.
- Aa. simple commands
- Bb. special clients
- Cc. special switches
- Dd. special software
91Traditional switches operate at the ____ layer of the OSI model.
- Aa. Physical
- Bb. Data link
- Cc. Network
- Dd. Session
92____ are combinations of networking hardware and software that connect two dissimilar kinds of networks.
- Aa. Routers
- Bb. Switches
- Cc. Gateways
- Dd. Broadcast domains
93The ____ encompasses the entire telephone system, from the wires that enter homes and businesses to the network centers that connect different regions of a country.
- Aa. SLIP
- Bb. POTS
- Cc. PPP
- Dd. PSTN
94____ means that a telephone company connects residential users to its network with fiber-optic cable.
- Aa. OLT
- Bb. FITL
- Cc. PON
- Dd. FITH
95A class ____ network class is reserved for special purposes.
- Aa. A
- Bb. B
- Cc. C
- Dd. D
96In classful addressing, the Class B IPv4 address network ID is located in the ____.
- Aa. last 8 bits
- Bb. last 16 bits
- Cc. first 8 bits
- Dd. first 16 bits
97In classful addressing, Class C IPv4 address host information is located in the ____.
- Aa. last 8 bits
- Bb. last 16 bits
- Cc. first 8 bits
- Dd. first 16 bits
98Within a classful addressing, ____ is the default subnet mask for a Class C address.
- Aa. 255.255.255.255
- Bb. 255.255.255.0
- Cc. 255.255.0.0
- Dd. 255.0.0.0
99The result from ANDing 11001111 with 10010001 is ____.
- Aa. 11001111
- Bb. 10010001
- Cc. 10000001
- Dd. 00000001
100____ is a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information.
- Aa. Cracking
- Bb. Hacking
- Cc. War driving
- Dd. Phishing
101A ____ attack occurs when a system becomes unable to function because it has inundated with requests for services and can’t respond to any of them.
- Aa. flashing
- Bb. denial-of-service
- Cc. war driving
- Dd. phishing
102A ____ firewall is a router (or a computer installed with software that enables it to act as a router) that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination.
- Aa. packet-filtering
- Bb. gateway
- Cc. proxy
- Dd. selective
103An administrator should take the time to troubleshoot all network problems correctly by asking specific questions designed to identify the problem ____.
- Aa. intensity
- Bb. background
- Cc. scope
- Dd. focus
104To take advantage of network monitoring and analyzing tools, the network adapter installed in the machine running the software must support ____ mode.
- Aa. open
- Bb. static
- Cc. promiscuous
- Dd. continuous
105____ are frames that are not actually data frames, but aberrations caused by a device misinterpreting stray voltage on the wire.
- Aa. Jabbers
- Bb. Ghosts
- Cc. Giants
- Dd. Runts
106 A ____ usually results from a bad NIC.
- Aa. jabber
- Bb. ghost
- Cc. giant
- Dd. runt
107A ____ can generate traffic in an attempt to reproduce a network problem and monitor multiple network segments simultaneously
- A. a. multimeter
- Bb. cable performance tester
- Cc. network monitor
- Dd. protocol analyzer
108110. Which of the following is a valid IP address for use by a host on a LAN?
- Aa. 10.2.257.5
- Bb. 127.0.0.1
- Cc. 192.168.10.5
- Dd. 227.125.5.25
109Which of the following is a valid IP address for use by a host on a LAN?
- Aa. 10.256.255.5
- Bb. 127.0.0.1
- Cc. 227.125.5.25
- Dd. None of the above
Informações
- Descrição
- Revision questions for internet fundamentals
- Autor
- d_cull91
- Idioma
- English
- Visualizações
- 188
- Etiquetas
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