Test
F5 Application Delivery Fundementals (101) - Section 1 - OSI
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Preguntas del test (74)
1What does OSI stand for?
- AOpen System Interconnection
- BOverlay standard industry
- COpen standard industry
- DOverlay system interconnection
2What layer is not part of the OSI model upper layers?
- AThe Application Layer
- BThe Network Layer
- CThe Presentation Layer
- DThe Session Layer
3What are the OSI model lower layers?
- ATransport Layer, Network Layer, Data-Link Layer, and Physical Layer
- BApplication Layer, Presentation Layer, and Physical Layer
- CData-Link Layer, Network Layer, Session Layer, Application Layer
4What are the roles of the application layer?
- AProvides the framework that the actual applications run on top of (Human-Machine readable interface).
- BTakes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
- CDetermines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
- DDefines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
5What are the roles of the presentation layer?
- ADetermines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
- BProvides the framework that the actual applications run on top of (Human-Machine readable interface).
- CTakes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
- DDefines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
6What are the roles of the Transport Layer?
- ATakes the data from each application, and integrates it all into a single stream maintaining flow control
- BSub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
- CEstablish a session with the receiving host;sessions are established between applications
- DProvides the framework that the actual applications run on top of (Human-Machine readable interface).
7What are the roles of the session Layer?
- ATakes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
- BSub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
- CEstablish a session with the receiving host; sessions are established between applications
- DDefines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
8What are the roles of the Network Layer?
- ADetermines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
- BProvides the framework that the actual applications run on top of (Human-Machine readable interface).
- CDefines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
- DEstablish a session with the receiving host;sessions are established between applications
9What are the roles of the Data Link Layer?
- ATakes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
- BSub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
- CTakes the data from each application, and integrates it all into a single stream maintaining flow control
- DProvides the framework that the actual applications run on top of (Human-Machine readable interface).
10What are the roles of the Physical Layer?
- AProvides the framework that the actual applications run on top of (Human-Machine readable interface).
- BEstablish a session with the receiving host; sessions are established between applications
- CDefines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
- DSub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
11 Provides application services for file transfers, e-mail, and other network software services.
- AApplication Layer
- BPresentation Layer
- CNetwork Layer
- DPhysical Layer
12This layer formats and encrypts data to be sent across a network, providing freedom from compatibility problems. It is sometimes called the syntax layer.
- APresentation Layer
- BApplication Layer
- CNetwork Layer
- DPhysical Layer
13 Responsible for end-to-end error recovery and flow control. It ensures complete data transfer.
- ASession Layer
- BApplication Layer
- CTransport Layer
- DPhysical Layer
14 Routing and forwarding are functions of this layer, as well as addressing, internetworking, error handling, congestion control and packet sequencing.
- APhysical Layer
- BNetwork Layer
- CPresentation Layer
- DTransport Layer
15Provides error-free transfer of data frames from one node to another over the physical layer.
- ATransport Layer
- BApplication Layer
- CSession Layer
- DData-Link Layer
16What are the address types at Layer 1
- AHubs, Repeaters, Cables
- BTCP, SPX and UDP
- CTwisted Pair Cable and Connectors
- DIPv4, IPV6, IPX
17What are the two sublayers of Layer2
- AMedia Access Control (MAC) layer
- BOpen System Interconnection (OSI)
- C802.3u
- DLogical Link Control (LLC) layer
18What are the address types at Layer 2
- A802.11 (WLAN), Wi-Fi, WiMAX
- BTCP, SPX and UDP
- CSSL, WEP, WPA
- DSONET/SDN,Coaxial Cable, Twisted Pair Cable
19What are the address types at Layer 3
- ATCP, SPX and UDP
- BOSPF, ICMP, IGMP and ARP
- CSNMP, SSH, TELNET and NTP
- DLogical Ports 21, 22, 23, 80 etc
20What are the address types at Layer 4
- ATCP, SPX and UDP
- BDHCP, DNS, FTP, HTTP
- COptical Fiber, SONET/SDN,Coaxial Cable
- DIPv4, IPV6, IPX
21What are the address types at Layer 5
- AEthernet, Token Ring, Frame Relay, PPTP, L2TP and ISDN
- BLogical Ports 21, 22, 23, 80 etc.
- CSSL, WEP, WPA, Kerberos,
- DICMP, IGMP and ARP
22What are the address types at Layer 6
- ASSL, WEP, WPA, Kerberos,
- BIPv4, IPV6, IPX,
- CFrame Relay, PPTP, L2TP and ISDN
- DDHCP, DNS, FTP, HTTP
23What are the address types at Layer 7
- AHubs, Repeaters, Cables, Optical Fiber,
- BIPv4, IPV6, IPX, OSPF, ICMP, IGMP and ARP
- CTwisted Pair Cable and Connectors
- DDHCP, DNS, FTP, HTTP
24What is the purpose of address resolution protocol (ARP)
- Aused to locate the Ethernet address associated with a desired IP address
- Bthe area of the computer network that consists of every single computer
- Cspecial broadcast address consisting of all used to send frames to all devices on the network
- Dvirtual broadcast domain created inside a switch
25How many bytes are comprised in an hardware address (MAC address)?
- A6 Bytes
- B4 Bytes
- C48 Bits
- D128 Bytes
26LACP is a protocol that detects error conditions on member links and redistributes traffic to other member links, thus preventing any loss of traffic on the failed link.
- AVerdadero
- BFalso
27How many bits are dedicated to organization unique identifier (OUI)?
- A24 bits
- B24 Bytes
- C3 octets
28What is the "I/G" bit in the hardware address?
- Asignifies whether the hardware address represents an individual device or a group of devices
- Bresolves MAC addresses into IP addresses.
- Csignifies support for half duplex Ethernet adds frame bursting and carrier extension
29BIG-IP system uses a what technology to distribute traffic across multiple links. What is the process?
- AMulti-Port
- BTrunk
- Clogical link
- DBIG Links
30BIG IP assigns MAC address from the lowest-numbered interface of the trunk.
- AVerdadero
- BFalso
31BIG-IP uses what trunk protocol?
- AISL
- BLACP
- CNone
- DVTP
32 Indicates the cost of using a route, which is typically the number of hops to the IP destination.
- AMetric
- BGateway
- CInterface
- DVLAN
33The IP address that the local host uses to forward IP datagrams to other IP networks.
- AGateway
- BInterface
- CMetric
34Routing protocols perform several activities, including:
- ANetwork discovery
- BUpdating and maintaining routing tables
- CFrame Filtering
- DARP
35Remote networks are added to the routing table in two ways:
- ABy the network administrator manually configuring static routes.
- BBy implementing a dynamic routing protocol.
- CBy waiting for application to tell the network about IP address
- DBy email from host to host
36Select dynamic routing protocols:
- AOSPF
- BIS-IS
- CStatic routing
- DIGP
- EBGP
37Fragmentation happens when a large IP datagram has to travel through a network with a maximum transmission unit (MTU) that is smaller than the size of the IP datagram.
- AVerdadero
- BFalso
38How are the packets reassembled?
- ATCP performs reassembly
- BOn the receiving end host using fragment ID
- Cpackets stay connected during transmission
- Dapplication layer assembles the packets for viewing
39The maximum TTL value is _________.
- A255
- B64
- C1
- Dno TTL exist in packets
40What transmission technology is used for fragmentation of datagrams?
- AVLAN
- BMTU
- CARP
- DMSS
41Which of the types is not a unicast IPv6 unicast addresses?
- AGlobal-Unicast
- BMulticast
- CLink-Local Address
- DUnique Local Address
- ELoopback Address
42 IPv6 multicast is routable, and routers will not forward multicast packets unless there are members of the multicast groups to forward the packets to.
- AVerdadero
- BFalso
43An anycast address is a single address assigned to a single nodes.
- AVerdadero
- BFalso
44IPv6 address is comprised of ________ blocks of ______ bits?
- A8 Blocks
- B16 Blocks
- C128 Bits
- D64 Bits
45What are the terms commonly referred in a "Three-way handshake"
- AACK, or acknowledgment
- BSYN (synchronization) flag
- CFIN ACK, or Finish acknowledgment
- DSYN Ready
46What is common maximum TCP "MTU" packet size for TCP packet?
- AThe MTU for Ethernet, for instance, is 1500 bytes.
- B1360 Bytes
- C576 Bytes
47During session connection establishment, two peers, or hosts, engage in negotiations to determine the IP segment size of packets that they will exchange during their communication.
- AMSS
- BMTU
- CARP
- DUDP
48What is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network?
- AProtocol Ports
- Blogical Address
- CEthernet addresses
- DVLAN
49What are TCP RST Packets?
- AReset Flags
- BTCP confirmation packets
- CTCP start packets for synchronization
- DNo such packet
50What are the three TCP Options?
- AOption-Kind
- BOption-SYN count
- COption-Length
- DOption-Data
51A web browser is an example of a ________.
- Auser agent (UA)
- Bserver
- Chost
- Duser server (US)
52HTTP is an application layer protocol designed within the framework of the Internet Protocol Suite.
- AVerdadero
- BFalso
53HTTP request and response messages share similar message attributes, which are:
- Alabel maker request
- Ban initial line
- Can optional message body
- DSMTP header
54Define the initial line: GET /path/to/file/index.html HTTP/1.0
- AInitial Request Line
- BInitial Response Line
- CHTTP retrieval syntax
- DC+ Code
55Define initial response line: HTTP/1.0 200 OK or HTTP/1.0 404 Not Found
- AInitial Request Line
- BInitial Response Line (Status Line)
- CHeader Lines
- DHTTP web data packet
56A message asks the server to return the response headers only, and not the actual resource (i.e. no message body).
- APOST Method
- BHEAD Method
- CInitial Response Line
- DInitial Request Line
57 A request is used to send data to the server to be processed in some way, like by a CGI script.; , block of data sent with the request, request URI is not a resource to retrieve, and HTTP response is normally program output, not a static file.
- AHTTP Keep-alives
- BHEAD Method
- CInitial Response Line
- DPOST Method
58 Also called HTTP persistent connection, or HTTP connection reuse, is the idea of using a single TCP connection to send and receive multiple HTTP requests/responses, as opposed to opening a new connection for every single request/response pair.
- AHTTP Keep-alives
- BHTTP GET
- CSIP
- DDNS
59Session Initiation Protocol (SIP) is a communications protocol used for communicating between different devices on a company network, whether on the LAN, the WAN, or across the Internet.
- AVerdadero
- BFalso
60In FTP mode, the client connects from a random unprivileged port (N > 1023) to the FTP server’s command port, port 21.
- AActive
- BPassive
- CRandom
- DRCP
61client initiates both connections to the server, solving the problem of firewalls filtering the incoming data port connection to the client from the server. When opening an the connection, the client opens two random unprivileged ports locally (N > 1023 and N+1).
- ASMTP
- BTelnet
- CPassive FTP
- DRDP
62Outlook Express connects to the SMTP server at mail.howstuffworks.com using port 53 ?
- AVerdadero
- BFalso
63The SMTP server takes the address of the sender and the address of the recipient, as well as the body of the message. and breaks it into two parts:
- Arecipient name
- BHTTP GET message
- Cdomain name
- DHTML code
64SMTP Command:
introduce yourself and request extended mode- ARCPT TO
- BHELO
- CEHLO
65List the common
• [blank_start]HELO[blank_end] - introduce yourself
• [blank_start]EHLO[blank_end] - introduce yourself and request extended mode
• [blank_start]MAIL FROM:[blank_end] - specify the sender
• [blank_start]RCPT TO:[blank_end] - specify the recipient- AHELO
- BEHLO
- CMAIL FROM
- DRCPT TO
66• [blank_start]DATA[blank_end] - specify the body of the message (To, From and Subject should be the first three lines.)
• [blank_start]RSET[blank_end] - reset
• [blank_start]QUIT[blank_end] - quit the session
• [blank_start]HELP[blank_end] - get help on commands
• [blank_start]VRFY[blank_end] - verify an address- ADATA
- BRSET
- CQUIT
- DHELP
- EVRFY
67allows a site to store state information on your machine
- Aname-value pairs
- Bcookie
- Cmessage
- DEHOL
68In HTTP version, what response status code gives NXX redirects the client to another URL ?
- A1XX
- B2XX
- C3XX
- D4XX
- E5XX
69In HTTP version, what response status code gives NXX indicates an error on the client’s part ?
- A1XX
- B2XX
- C3XX
- D4XX
- E5XX
70In HTTP version, what response status code gives NXX indicates an error on the server’s part ?
- A1XX
- B2XX
- C3XX
- D4XX
- E5XX
71What is SIP?
- Adedicated telephone line connection
- Bcommunications protocol used for communicating between different devices on a company network
- Can ISDN connection
72 For secure transmission that hides (encrypts) the username and password, and encrypts the content, FTP is often secured with
- AFTP- SSL/TLS
- BSSH File Transfer Protocol (“SFTP”)
- CTKIP
- DAES
73 a reference to a resource that specifies the location of the resource on a computer network and a mechanism for retrieving it.
- AURL
- BSIP
- CLogical Port
- Ddirectory
74a standard plain text data interchange format for representing LDAP (Lightweight Directory Access Protocol) directory content and update requests.
- AHTTP
- BLDIF
- CSOAP
- DREST
Información
- Descripción
- 101 - Application Delivery (101 - Application Delivery) F5 Test sobre F5 Application Delivery Fundementals (101) - Section 1 - OSI , creado por Christopher Griffin el 20/11/2016.
- Autor
- Christopher Griffin
- Idioma
- English
- Visitas
- 120
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test