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Preguntas del test (78)
1A cloud solution can never offer which advantage over an on premise solution?
- ASecurity
- BEconomic advantage
- CReliability
- DNone of the other options are correct
2A distributed network configuration in which all data/information pass through a central computer is
- ARing network
- BStar network
- CPoint-to-point network
- DBus network
3A hypervisor is a _.
- Avirtual machine monitoring software
- Ball options are incorrect
- Chardware used to host cloud services
- Dsoftware used to supervise cloud tenants
4A small network setup in your home is called a
- ACenter network
- BLocal area network
- CHub network
- DStation network
5A(n) _ protects an organization’s network from outside attack
- AFortress
- BExtranet
- CProxy
- DFirewall
6According to OSI model ARP resides on which layer?
- AData Link layer
- BTransport layer
- CApplication layer
- DSession layer
7Acknowledgements, sequencing, and flow control are characteristics of which protocol in Internet Protocol Suite?
- AIPv6
- BTCP
- CUDP
- DOSFP
8ARP is typically used to bridge the gap between what two protocols?
- ATCP and IP
- BTCP and UDP
- CIP and World Wide Web domain names
- DEthernet and IP
9ARP stands for
- AAdvanced aRpanet Protocol
- BAddress Relay Protocol
- CAdvanced Relay Protocol
- DAddress Resolution Protocol
10Demultiplexing of data between applications occurs on which layer of Internet Protocol Suite?
- AApplication
- BLink
- CTransport
- DInternet
11Ethernet frame contains
- ADestination IP address
- BPort number
- CNone of the above
- DSource MAC address
12For very large networks, ______ topology is used
- AStar
- BMesh
- CBus
- DRing
13How many copper wires are inside a twisted pair Ethernet cable?
- A8
- B2
- C4
- D1
14How many hexadecimal digits are in a MAC address?
- A8
- B12
- C16
- D2
15How many layers are there in OSI (Open Systems Interconnection) model?
- A8
- B5
- C7
- D4
16If a computer on the network shares resources for others to use, it is called
- AGateway
- BServer
- CClient
- DSupercomputer
17If an Ethernet port on a router were assigned an IP address of 172.16.112.1/24, what would be the valid subnet address of this host?
- A172.16.112.0
- B172.16.0.0
- C172.16.112.255
- D172.16.96.0
18If the IP address of a website is known it is possible to reach it without which protocol?
- AHTTP
- BIP
- CDNS
- DRIP
19In a _ design, one computer or dedicated storage device acts as a central storage unit for the network.
- AStar topology
- BPeer to Peer
- CBus topology
- DClient Server
20In TCP protocol how many segments are needed to gracefully end the connection?
- A1
- B2
- C4
- D0
21Mathematical operations in checksum algorithm are performed in following order:
- Asum, compliment, wrap
- Bsum, wrap, compliment
- Cwrap, compliment, sum, multiply by -1
- Dsum, multiply by -1, wrap, compliment
22Multitenancy in context of cloud computing offers which advantage?
- AAll of the statements are true
- BDecreases software complexity and development costs
- CAllows to cut costs
- DIncreases security and stability of services
23Network Address Translation can be used to _.
- Asend IPv6 packets over IPv4 internet segments
- Btranslate UDP port numbers to TCP port numbers
- Cexpand the number of devices connected to the internet beyond the limitations of IPv4
- Dresolve domain names
24Network cable belongs to which layer in OSI model?
- ATransport layer
- BApplication layer
- CPhysical layer
- DNetwork layer
25Point to Point Protocol resides on the same Layer of IPS model as
- AHTTP
- BInternet Protocol
- CUDP
- DIEEE 802.11 Wi-Fi protocol
26RIP belongs to which layer?
- AInternet layer
- BLink layer
- CTransport layer
- DApplication layer
27RIP stands for _.
- ARouting Information Protocol
- BRelay Integration Protocol
- CNone of the options are correct
- DRest In Peace
28RIP uses which metric to choose a path of a packet?
- ATime it will take for the packet to reach the destination
- BThe cost of sending the packet
- CChannel capacity
- DHop count
29The protocol developed to automatically translate text-based addresses to numeric IP addresses is called _.
- ADNS
- BDSP
- CSNL
- DDSL
30What are the three main network topologies?
- ABus / Mesh / Star
- BMesh / Star / Square
- CBus / Square / Star
- DBus / Oval / Star
31What does a computer network allow computers to share?
- AHardware
- BSoftware
- CHardware, Software and Internet connection
- DInternet connection
32What does LAN stand for?
- ALocal Area Network
- BLocal Abled Network
- CLocal Aggregation Network
- DLocal Address Network
33What does WAN stand for?
- AWide Area Network
- BWorld Addressed Network
- CWide Address Network
- DWorld Wide Network
34What is a hybrid cloud?
- AA blend of public and private cloud services with orchestration between them
- BA blend of private cloud and legacy on-premises hardware
- CA cloud service deployed across multiple offices or locations
- DNone of the options are correct
35What is a public cloud?
- AA multi-tenant cloud environment accessed over the internet
- BA cloud service that can only be accessed from a publicly shared computer
- CA cloud formation that can be accessed by anyone
- DA cloud environment owned, operated and controlled by a public company
36What is a server in a computer network?
- AA network administrator
- BNone of the other options are correct
- CNetwork media such as cables
- DA powerful computer that provides a service such as centralised file storage
37What is IP address size?
- A16 bits
- B64 Bytes
- C4 Bytes
- D255 bits
38What is the cost of sending data through an interface according to OSPF if Reference Bandwidth is 100 000 kbps and Interface Bandwidth is 10 000 kbps?
- A10
- B10 000
- C0.1
- D100 000
39What is the main reason for introducing IPv6?
- ATo ensure security of internet traffic
- BThe need for faster transfer speeds
- CTo increase the reliability of the internet
- DThe need for more IP addresses
40What is the maximum hop count supported by RIP?
- A255
- BInfinite
- C16
- D15
41What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.0 subnet mask?
- A256
- B255
- C0
- D254
42What is the propagation time if the distance between the 2 points is 24000km? Assume the propagation speed to be 2.4×10^8 m/s.
- A2 seconds
- B1 second
- C0.1 second
- D50 milliseconds
43What is the typical order in which DNS servers are queried?
- ARoot, Local, Authoritative, Top Level Domain
- BLocal, Root, Top Level Domain, Authoritative
- CAuthoritative, Local, Root, Top Level Domain
- DLocal, Authoritative, Top Level Domain, Root
44What physical medium is most commonly used to connect continents across oceans?
- ATwisted-pair wire
- BMicrowaves
- CCoaxial cable
- DFiber-optic cable
45What protocol can be used to find the hardware address of a local device?
- AARP
- BRIP
- CEthernet
- DMAC
46When data is encapsulated, which is the correct order?
- AData, segment, packet, frame
- BData, segment, frame, packet
- CSegment, data, packet, frame
- DData, frame, packet, segment
47Which are types of network communications media?
- ANetwork Interface Card
- BHub / Switch / Router
- CAll options are wrong
- DEthernet Cables / Fibre Optic Cables
48Which device is only displayed on physical topology map, but not on logical topology map of a network
- ASwitch
- BHub
- CFirewall
- DWireless Access point
49Which functionality has been added in IPv6 that doesn't exist in IPv4?
- APacket fragmentation
- BPort forwarding
- CType of service selection
- DProtection from packet reordering through flow labelling
50Which network topology is the most resistant to physical cable failure:
- AStar
- BRing
- CBus
- DMesh
51Which of the fields in IPv4 header are responsible for packet fragmentation?
- AFlags
- BIdentification
- CFragment offset
- DAll of the listed fields
52Which of the following acronyms refers to a software distribution model in which a cloud provider manages and hosts an app that users access via the internet?
- APaaS
- BIaaS
- CSaaS
- DDaaS
53Which of the following fields are NOT a part of IPv4 header?
- ATime to live
- BSource address
- CHeader checksum
- DPort number
54Which of the following is not a type of a client in cloud architecture model?
- AThick client
- BStationary client
- CThin client
- DMobile client
55Which of the following is private IP address?
- A12.0.0.1
- B192.168.24.43
- C168.172.19.39
- D255.255.255.255
56Which of the following options is not a SaaS service
- AGoogle Sites
- BDropbox
- CIBM Bluemix
- DOffice 365
57Which of the following sentences describes Ethernet most accurately?
- AEthernet is used in local networks to connect multiple devices.
- BEthernet is used to establish point-to-point connection between two devices.
- CNone of the sentences above can be used to describe Ethernet.
- DEthernet is used to connect multiple networks together.
58Which of the following statements could be used to describe a private cloud deployment?
- AAll of the options are correct.
- BA cloud environment maintained within an enterprise's own data centre.
- CA private environment within a third-party or public cloud provider's architecture.
- DComputing services offered only to select users instead of the general public.
59Which of the services models typically requires the highest level of technical literacy from the client?
- APaaS
- BIaaS
- CAll of the choices are equivalent in regards of the knowledge needed.
- DSaaS
60Which of the statements about Sliding Window is correct?
- ASliding window is a flow control method
- BSliding window is a proprietary Microsoft protocol used to serve software updates over the Internet
- CSliding window is part of IEEE 802.11 (Wi-Fi) protocol used for collision avoidance
- DSliding window is a part of TCP protocol used for data sequencing in reliable data transmission
61Which of the statements about Time To Live field in IP packet header is correct?
- ATTL is time in seconds until the connection is closed
- BTTL is time in milliseconds until the packet is deleted
- CTTL is number of hops the packet is allowed to traverse
- DTTL is time for which the IP of the destination host is stored before being resolved again
62Which of these statements about a network is FALSE?
- AViruses can spread to other computers on a network
- BPeripherals such as printers can be shared
- CFiles cannot be shared between users
- DAll of the above
63Which of these statements is TRUE about a LAN?
- AA LAN connects computers in a small area such as an office.
- BAll of the sentences are true.
- CA modem is needed to connect a computer to a LAN.
- DA LAN consists of less than 16 computers.
64Which optical phenomenon is used in optic-fibre cables?
- AFluorescence
- BLight Interference
- CTotal internal reflection
- DRayleigh Scattering
65Which protocol allows to dynamically assign IP addresses to devices on the network?
- ARIP
- BARP
- CDNS
- DDHCP
66Which protocol is used to achieve reliable data transmission?
- ATCP
- BUDP
- CIPv6
- DRIP
67Which search algorithm does OSPF protocol employ?
- ADijkstra's
- BBellman-Ford
- CA* (A star)
- DFloyd-Warshall
68Which search algorithm does RIP employs?
- ADijkstra's
- BFloyd-Warshall
- CBellman-Ford
- DA* (A star)
69Which type of virtualization has highest performance overhead?
- AParavirtualization
- BContainerization
- CDesktop Virtualization
- DHardware Virtualization
70Why do hosts on an Ethernet segment that experience a collision use a random delay before attempting to transmit a frame?
- AA random delay value could not be agreed upon among networking device vendors.
- BA random delay value could not be agreed upon among networking device vendors
- CA random delay value for each device is assigned by the manufacturer.
- DA random delay helps prevent the stations from experiencing another collision during the transmission.
71You are working with graphic translations. Which layer of the internet protocol suite is responsible for code formatting and conversion and graphic standards
- AApplication layer
- BInternet layer
- CTransport layer
- DLink layer
72At which layers of OSI model Load Balancers can operate?
- A1 and 2
- B3 and 4
- C4 and 7
- DAt every layer
73CAP theorem states that
- Ano distributed data store can provide a guarantee of Consistency, Availability and Partition tolerance.
- BStates that consistency is preferable to availability which in turn is preferable to partition tolerance in distributed data stores.
- CEvery distributed data store must simultaneously provide Consistency, Availability and Partition tolerance.
- DThere is a mathematically defined hard cap on the amount of data that can be stored in one relational database.
74Docker software runs natively on which operating system?
- ALinux
- BDocker is OS agnostic
- CWindows
- DMacOS
75Kubernetes system is routinely used in conjunction with
- AWindows Server OS
- BApache Hadoop
- CmacOS
- DDocker
76Serverless computing is often chosen for which advantage?
- AIt is highly elastic by nature.
- BLittle to no vendor lock-in.
- CIt does not require servers to run.
- DLow startup time.
77What are Load Balancers?
- ANetworking device that forwards data between computer networks.
- BSoftware which redirects web traffic and obfuscates its source.
- CHardware or software that distributes traffic to servers in the resource pool.
- DHardware which limits connectivity to a resource to protect it.
78Which programming model is the basis of Apache Hadoop software?
- AMapReduce
- BSpurious wakeup
- CGrand Central Dispatch
- DPOSIX Threads
Información
- Descripción
- what Cloud computing Test sobre CC, creado por M M. el 12/01/2023.
- Autor
- M M.
- Idioma
- English
- Visitas
- 1
- Historial
- Creado el 12 ene 2023 · actualizado el 12 ene 2023
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test