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CP!402 quiz

Beschreibung

Revision questions for internet fundamentals
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Zusammenfassung der Ressource

Frage 1

Frage
72.257.126.11 is a valid A class host address.
Antworten
  • True
  • False

Frage 2

Frage
In CIDR, conventional network class distinctions do not exist.
Antworten
  • True
  • False

Frage 3

Frage
Some software errors point to a physical connectivity problem.
Antworten
  • True
  • False

Frage 4

Frage
Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems
Antworten
  • True
  • False

Frage 5

Frage
193.255.126.255 is a valid C class host address.
Antworten
  • True
  • False

Frage 6

Frage
In a star topology, a single connection failure will halt all traffic between all sites.
Antworten
  • True
  • False

Frage 7

Frage
In data networks, the task of directing information efficiently to the correct destination is handled by connectivity devices, primarily switches and routers.
Antworten
  • True
  • False

Frage 8

Frage
Standards assist in network design.
Antworten
  • True
  • False

Frage 9

Frage
Not all Transport layer protocols are concerned with reliability.
Antworten
  • True
  • False

Frage 10

Frage
Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.
Antworten
  • True
  • False

Frage 11

Frage
All protocols are routable.
Antworten
  • True
  • False

Frage 12

Frage
The command used to view IP information on a Windows workstation is ipconfig.
Antworten
  • True
  • False

Frage 13

Frage
Cut-through switches can detect corrupt packets.
Antworten
  • True
  • False

Frage 14

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Human errors, ignorance, and omissions cause more than half of all security breaches sustained by networks.
Antworten
  • True
  • False

Frage 15

Frage
A physical topology ____.
Antworten
  • a. specifies device types
  • b. depicts a network in broad scope
  • c. specifies connectivity methods
  • d. specifies addressing schemes

Frage 16

Frage
In which OSI model layer does TCP operate?
Antworten
  • Physical
  • b. Transport
  • c. Network
  • d. Data Link

Frage 17

Frage
Transport layer protocols break large data units into ____.
Antworten
  • PDUs
  • b. segments
  • c. frames
  • d. block IDs

Frage 18

Frage
____ is a utility that can verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.
Antworten
  • ARP
  • b. PING
  • c. Telnet
  • d. FTP

Frage 19

Frage
On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.
Antworten
  • a. collision domain
  • b. broadcast domain
  • c. interference domain
  • d. duplicate domain

Frage 20

Frage
1000Base-SX has a maximum throughput of ____.
Antworten
  • a. 1 Gbps
  • b. 10 Gbps
  • c. 100 Gbps
  • d. 1000 Gbps

Frage 21

Frage
The ____ gateway is the gateway that first interprets its outbound requests to other subnets, and then interprets its inbound requests from other subnets.
Antworten
  • a. proxy
  • b. core
  • c. Internet
  • d. default

Frage 22

Frage
How is reliability achieved in TCP?
Antworten
  • a. Routing
  • b. Sliding windows
  • c. Sequence numbers and acknowledgements
  • d. Port numbers

Frage 23

Frage
Within a classful addressing subnet mask, the ____ bits indicate that corresponding bits in an IPv4 address contain network information.
Antworten
  • a. 0
  • b. 1
  • c. first eight
  • d. last eight

Frage 24

Frage
CIDR 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.
Antworten
  • a. dash ( - )
  • b. underscore ( _ )
  • c. backward slash ( \ )
  • d. forward slash ( / )

Frage 25

Frage
A(n) ____ is a graphical representation of a network’s devices and connections.
Antworten
  • a. Multi Router Traffic Grapher
  • b. network diagram
  • c. wiring schematic
  • d. event viewer

Frage 26

Frage
____ management refers to monitoring how well links and devices are keeping up with the demands placed on them.
Antworten
  • a. Performance
  • b. Fault
  • c. Network
  • d. Configuration

Frage 27

Frage
28. ____ 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.
Antworten
  • a. Traffic monitoring
  • b. Traffic routing
  • c. Traffic polling
  • d. Traffic shaping

Frage 28

Frage
The most common type of caching is ____ caching.
Antworten
  • a. online
  • b. Web
  • c. Internet
  • d. device

Frage 29

Frage
A ____ is a software-based tool that continually monitors network traffic from a server or workstation attached to the network.
Antworten
  • a. network monitor
  • b. sniffer
  • c. protocol analyzer
  • d. multimeter

Frage 30

Frage
The ____ utility allows you to view a host’s routing table.
Antworten
  • a. nbstat
  • b. pathping
  • c. nslookup
  • d. route

Frage 31

Frage
Which of the following is a valid IP public address for use by a host on a LAN?
Antworten
  • a. 10.2.256.5
  • b. 200.0.0.1
  • c. 192.168.10.5
  • d. 127.0.0.1

Frage 32

Frage
The result from ANDing 11110101 with 10111100 is ____.
Antworten
  • a. 11111101
  • b. 10111101
  • c. 10110100
  • d. 01001010

Frage 33

Frage
What is the default administrative distance of static routes?
Antworten
  • a. 120
  • b. 0
  • c. 90
  • d. 1

Frage 34

Frage
What is an Autonomous System in the context of internetworking?
Antworten
  • a. A system that functions independently without external intervention
  • b. A group of routers under a common administration
  • c. A group of routers that have routes to every member of the group
  • d. A group of routers that can be configured by simply changing the settings in any one member

Frage 35

Frage
What does a layer 2 switch do when it receives a broadcast frame from one of the hosts connected to it?
Antworten
  • a. Forwards it to all the other hosts connected to the switch
  • b. Examines the TTL field in the header and if the value is not 0, forwards it to all the other hosts on the switch
  • c. Discards it
  • d. A and B

Frage 36

Frage
When would static NAT be used over dynamic NAT?
Antworten
  • a. When there is only a single public IP address available
  • b. When a router does not support NAT
  • c. When a server requires a fixed Global IP address
  • d. To assign an IP address from an IP address pool

Frage 37

Frage
Because WAN connections require routers or other Layer 3 devices to connect locations, their links are not capable of carrying ____ protocols.
Antworten
  • a. open
  • b. standard
  • c. routable
  • d. nonroutable

Frage 38

Frage
A(n) ____ is the place where a telephone company terminates lines and switches calls between different locations.
Antworten
  • a. CO
  • b. EO
  • c. DO
  • d. TO

Frage 39

Frage
The portion of the PSTN that connects any residence or business to the nearest CO is known as the ____.
Antworten
  • a. demarcation point
  • b. NIU (Network Interface Unit)
  • c. local loop
  • d. central office

Frage 40

Frage
Repeaters operate in the ____ layer of the OSI model.
Antworten
  • a. Physical
  • b. Network
  • c. Transport
  • d. Session

Frage 41

Frage
A ____ can interpret physical addressing information.
Antworten
  • a. repeater
  • b. tranciever
  • c. hub
  • d. bridge

Frage 42

Frage
Switches can create ____ by grouping a number of ports into a broadcast domain.
Antworten
  • a. trunks
  • b. spanning trees
  • c. gateways
  • d. VLANs

Frage 43

Frage
____ routing is a technique in which a network administrator programs a router to use specific paths between nodes.
Antworten
  • a. Static
  • b. Dynamic
  • c. Best path
  • d. Link-state

Frage 44

Frage
A complex combination of topologies is known as a ____ topology.
Antworten
  • a. mixed
  • b. hybrid
  • c. compound
  • d. mulitpart

Frage 45

Frage
The most common logical topologies are ____ and ring.
Antworten
  • a. bus
  • b. star
  • c. wired
  • d. hybrid

Frage 46

Frage
Within Ethernet frame types, the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
Antworten
  • a. FCS
  • b. header
  • c. preamble
  • d. frame

Frage 47

Frage
In a ____ attack, a person redirects or captures secure transmissions as they occur.
Antworten
  • a. denial-of service
  • b. man-in-the-middle
  • c. war driving
  • d. phishing

Frage 48

Frage
____ software searches a node for open ports.
Antworten
  • a. Phishing
  • b. Sniffing
  • c. Authentication
  • d. Port scanner

Frage 49

Frage
A ____ main function is to examine packets and determine where to direct them based on their Network layer addressing information.
Antworten
  • a. switch’s
  • b. gateway’s
  • c. router’s
  • d. proxy server’s

Frage 50

Frage
____ attack occurs when a hacker tries numerous possible character combinations to find the key that will decrypt encrypted data.
Antworten
  • a. flashing
  • b. denial-of-service
  • c. dictionary
  • d. brute force

Frage 51

Frage
The combination of a public key and a private key is known as a ____.
Antworten
  • a. key lock
  • b. key frame
  • c. key pair
  • d. key set

Frage 52

Frage
RADIUS and TACACS belong to a category of protocols known as AAA (____).
Antworten
  • a. access, authorization, and accounting
  • b. authentication, authorization, and accounting
  • c. authentication, authorization, and authority
  • d. authentication, authorization, and access

Frage 53

Frage
Standards define the ____ performance of a product or service.
Antworten
  • a. ideal
  • b. most acceptable
  • c. minimum acceptable
  • d. maximum acceptable

Frage 54

Frage
In which OSI model layer(s) do NICs operate?
Antworten
  • a. Physical
  • b. Network and Physical
  • c. Data Link
  • d. Physical and Data Link

Frage 55

Frage
A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.
Antworten
  • a. port
  • b. source
  • c. destination
  • d. sequence

Frage 56

Frage
The 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 ____.
Antworten
  • a. TCP
  • b. ICMP
  • c. UDP
  • d. IP

Frage 57

Frage
In 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.
Antworten
  • a. Variable Prefix
  • b. Address Prefix
  • c. Format Prefix
  • d. Field Prefix

Frage 58

Frage
In IPv4 addressing, a node with an IP address of 128.64.88.20 belongs to a Class ____ network.
Antworten
  • a. A
  • b. B
  • c. C
  • d. D

Frage 59

Frage
Which of the following best describes the definition of administrative distance?
Antworten
  • a. Measure of the trustworthiness of the source of a route update
  • b. The number of hops to a destination node recorded in the routing table
  • c. The maximum number of hops for a routing protocol which is used to set the TTL value in an IP packet
  • d. Distance to the closest network administrator

Frage 60

Frage
Which of the following statements is true regarding CSMA/CD after a collision has occurred?
Antworten
  • a. Each device waits for a random backoff period before attempting to retransmit
  • b. Both stations stop transmitting immediately
  • c. The devices involved in the collision have priority to transmit data
  • d. The device with the highest priority will attempt to retransmit first

Frage 61

Frage
The decimal number 782 converted to binary is
Antworten
  • a. 1010001000
  • b. 10000000110
  • c. 11100011100
  • d. 1100001110

Frage 62

Frage
64. When signals may travel in both directions over a medium but only in one direction at a time, the transmission is considered ____.
Antworten
  • a. simplex
  • b. multiplex
  • c. half-duplex
  • d. full-duplex

Frage 63

Frage
Which network model ensures that no computer on the network has more authority than another?
Antworten
  • a. client/server
  • b. stand alone
  • c. peer-to-peer
  • d. distributed

Frage 64

Frage
____ networks are the most popular type of network for medium- and large-scale organizations.
Antworten
  • a. Client/server
  • b. Peer-to-peer
  • c. Stand-alone
  • d. Stationary

Frage 65

Frage
A ____ network is confined to a relatively small space.
Antworten
  • a. NAN
  • b. MAN
  • c. WAN
  • d. LAN

Frage 66

Frage
Which network topology is the most common?
Antworten
  • a. ring
  • b. star
  • c. hybrid
  • d. Ethernet

Frage 67

Frage
Which OSI model layer initiates the flow of information?
Antworten
  • a. Physical
  • b. Session
  • c. Application
  • d. Presentation

Frage 68

Frage
Which OSI model layer manages data encryption?
Antworten
  • a. Physical
  • b. Session
  • c. Application
  • d. Presentation

Frage 69

Frage
Which type of protocol is useful when data must be transferred quickly?
Antworten
  • a. connection-oriented
  • b. connectionless
  • c. TCP
  • d. IP

Frage 70

Frage
____ is the process of reconstructing segmented data.
Antworten
  • a. Reassembly
  • b. Reengineering
  • c. Resegmenting
  • d. Realigning

Frage 71

Frage
The process of determining the best path from Point A on one network to Point B on another is known as ____.
Antworten
  • a. mapping
  • b. enhancing
  • c. reconfiguring
  • d. routing

Frage 72

Frage
In which OSI model layer does IP operate?
Antworten
  • a. Physical
  • b. Transport
  • c. Network
  • d. Data Link

Frage 73

Frage
Which Data Link sublayer manages flow control?
Antworten
  • a. LLC
  • b. MAC
  • c. Management layer
  • d. Addressing layer

Frage 74

Frage
Which Data Link sublayer manages access to the physical medium?
Antworten
  • a. LLC
  • b. MAC
  • c. Management layer
  • d. Addressing layer

Frage 75

Frage
When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
Antworten
  • a. simplex
  • b. multiplex
  • c. half-duplex
  • d. full-duplex

Frage 76

Frage
When signals may travel in only one direction over a medium, the transmission is considered ____.
Antworten
  • a. simplex
  • b. multiplex
  • c. half-duplex
  • d. full-duplex

Frage 77

Frage
The most significant factor in choosing a transmission method is its ____.
Antworten
  • a. noise
  • b. attenuation
  • c. throughput
  • d. latency

Frage 78

Frage
The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
Antworten
  • a. throughput
  • b. attenuation
  • c. cross talk
  • d. latency

Frage 79

Frage
TCP is a(n) ____ protocol.
Antworten
  • a. open-ended
  • b. indiscriminating
  • c. connection-oriented
  • d. connectionless

Frage 80

Frage
____ is more efficient than TCP for carrying messages that fit within one data packet.
Antworten
  • a. IP
  • b. UDP
  • c. ICMP
  • d. IGMP

Frage 81

Frage
In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.
Antworten
  • a. TCP
  • b. UDP
  • c. IP
  • d. ARP

Frage 82

Frage
In IPv4 addressing, each public IP address is a unique ____ number.
Antworten
  • a. 12-bit
  • b. 32-bit
  • c. 64-bit
  • d. 128-bit

Frage 83

Frage
In IPv4 addressing, a node with an IP address of 168.34.88.29 belongs to a Class ____ network.
Antworten
  • a. A
  • b. B
  • c. C
  • d. D

Frage 84

Frage
In IPv4 addressing, an IP address whose first octet is in the range of 192–223 belongs to a Class ____ network.
Antworten
  • a. A
  • b. B
  • c. C
  • d. D

Frage 85

Frage
The default subnet mask for a Class B network is ____.
Antworten
  • a. 255.0.0.0
  • b. 255.255.0.0
  • c. 255.255.255.0
  • d. 255.255.255.255

Frage 86

Frage
A(n) ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.
Antworten
  • a. anycast
  • b. unicast
  • c. multicast
  • d. singlecast

Frage 87

Frage
All Ethernet networks, independent of their speed or frame type, use an access method called ____.
Antworten
  • a. CSMA
  • b. CSMA/DC
  • c. CSAM/CD
  • d. CSMA/CD

Frage 88

Frage
A ____ occurs when two transmissions interfere with each other.
Antworten
  • a. jam
  • b. collision
  • c. carrier sense
  • d. multiple access event

Frage 89

Frage
Together, the FCS and the header make up the ____-byte “frame” for the data.
Antworten
  • a. 15
  • b. 18
  • c. 21
  • d. 24

Frage 90

Frage
In 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 ____.
Antworten
  • a. simple commands
  • b. special clients
  • c. special switches
  • d. special software

Frage 91

Frage
Traditional switches operate at the ____ layer of the OSI model.
Antworten
  • a. Physical
  • b. Data link
  • c. Network
  • d. Session

Frage 92

Frage
____ are combinations of networking hardware and software that connect two dissimilar kinds of networks.
Antworten
  • a. Routers
  • b. Switches
  • c. Gateways
  • d. Broadcast domains

Frage 93

Frage
The ____ encompasses the entire telephone system, from the wires that enter homes and businesses to the network centers that connect different regions of a country.
Antworten
  • a. SLIP
  • b. POTS
  • c. PPP
  • d. PSTN

Frage 94

Frage
____ means that a telephone company connects residential users to its network with fiber-optic cable.
Antworten
  • a. OLT
  • b. FITL
  • c. PON
  • d. FITH

Frage 95

Frage
A class ____ network class is reserved for special purposes.
Antworten
  • a. A
  • b. B
  • c. C
  • d. D

Frage 96

Frage
In classful addressing, the Class B IPv4 address network ID is located in the ____.
Antworten
  • a. last 8 bits
  • b. last 16 bits
  • c. first 8 bits
  • d. first 16 bits

Frage 97

Frage
In classful addressing, Class C IPv4 address host information is located in the ____.
Antworten
  • a. last 8 bits
  • b. last 16 bits
  • c. first 8 bits
  • d. first 16 bits

Frage 98

Frage
Within a classful addressing, ____ is the default subnet mask for a Class C address.
Antworten
  • a. 255.255.255.255
  • b. 255.255.255.0
  • c. 255.255.0.0
  • d. 255.0.0.0

Frage 99

Frage
The result from ANDing 11001111 with 10010001 is ____.
Antworten
  • a. 11001111
  • b. 10010001
  • c. 10000001
  • d. 00000001

Frage 100

Frage
____ is a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information.
Antworten
  • a. Cracking
  • b. Hacking
  • c. War driving
  • d. Phishing

Frage 101

Frage
A ____ 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.
Antworten
  • a. flashing
  • b. denial-of-service
  • c. war driving
  • d. phishing

Frage 102

Frage
A ____ 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.
Antworten
  • a. packet-filtering
  • b. gateway
  • c. proxy
  • d. selective

Frage 103

Frage
An administrator should take the time to troubleshoot all network problems correctly by asking specific questions designed to identify the problem ____.
Antworten
  • a. intensity
  • b. background
  • c. scope
  • d. focus

Frage 104

Frage
To take advantage of network monitoring and analyzing tools, the network adapter installed in the machine running the software must support ____ mode.
Antworten
  • a. open
  • b. static
  • c. promiscuous
  • d. continuous

Frage 105

Frage
____ are frames that are not actually data frames, but aberrations caused by a device misinterpreting stray voltage on the wire.
Antworten
  • a. Jabbers
  • b. Ghosts
  • c. Giants
  • d. Runts

Frage 106

Frage
A ____ usually results from a bad NIC.
Antworten
  • a. jabber
  • b. ghost
  • c. giant
  • d. runt

Frage 107

Frage
A ____ can generate traffic in an attempt to reproduce a network problem and monitor multiple network segments simultaneously
Antworten
  • . a. multimeter
  • b. cable performance tester
  • c. network monitor
  • d. protocol analyzer

Frage 108

Frage
110. Which of the following is a valid IP address for use by a host on a LAN?
Antworten
  • a. 10.2.257.5
  • b. 127.0.0.1
  • c. 192.168.10.5
  • d. 227.125.5.25

Frage 109

Frage
Which of the following is a valid IP address for use by a host on a LAN?
Antworten
  • a. 10.256.255.5
  • b. 127.0.0.1
  • c. 227.125.5.25
  • d. None of the above
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