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F5 Application Delivery Fundementals (101) - Section 1 - OSI

Beschreibung

101 - Application Delivery F5 (101 - Application Delivery) Quiz am F5 Application Delivery Fundementals (101) - Section 1 - OSI , erstellt von Christopher Griffin am 20/11/2016.
Christopher Griffin
Quiz von Christopher Griffin, aktualisiert more than 1 year ago
Christopher Griffin
Erstellt von Christopher Griffin vor etwa 8 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
What does OSI stand for?
Antworten
  • Open System Interconnection
  • Overlay standard industry
  • Open standard industry
  • Overlay system interconnection

Frage 2

Frage
What layer is not part of the OSI model upper layers?
Antworten
  • The Application Layer
  • The Network Layer
  • The Presentation Layer
  • The Session Layer

Frage 3

Frage
What are the OSI model lower layers?
Antworten
  • Transport Layer, Network Layer, Data-Link Layer, and Physical Layer
  • Application Layer, Presentation Layer, and Physical Layer
  • Data-Link Layer, Network Layer, Session Layer, Application Layer

Frage 4

Frage
What are the roles of the application layer?
Antworten
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).
  • Takes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
  • Determines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
  • Defines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).

Frage 5

Frage
What are the roles of the presentation layer?
Antworten
  • Determines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).
  • Takes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
  • Defines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).

Frage 6

Frage
What are the roles of the Transport Layer?
Antworten
  • Takes the data from each application, and integrates it all into a single stream maintaining flow control
  • Sub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
  • Establish a session with the receiving host;sessions are established between applications
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).

Frage 7

Frage
What are the roles of the session Layer?
Antworten
  • Takes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
  • Sub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
  • Establish a session with the receiving host; sessions are established between applications
  • Defines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).

Frage 8

Frage
What are the roles of the Network Layer?
Antworten
  • Determines how the data will reach the recipient - creates logical paths, known as virtual circuits, between the source and destination hosts
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).
  • Defines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
  • Establish a session with the receiving host;sessions are established between applications

Frage 9

Frage
What are the roles of the Data Link Layer?
Antworten
  • Takes the data that is provided by the upper layer, and converts it into a standard format that the other layers can understand
  • Sub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer
  • Takes the data from each application, and integrates it all into a single stream maintaining flow control
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).

Frage 10

Frage
What are the roles of the Physical Layer?
Antworten
  • Provides the framework that the actual applications run on top of (Human-Machine readable interface).
  • Establish a session with the receiving host; sessions are established between applications
  • Defines the hardware specifications used by network adapters and by the network cables (assuming that the connection is not wireless).
  • Sub divided into two other layers; the Media Access Control (MAC) layer, and the Logical Link Control (LLC) layer

Frage 11

Frage
Provides application services for file transfers, e-mail, and other network software services.
Antworten
  • Application Layer
  • Presentation Layer
  • Network Layer
  • Physical Layer

Frage 12

Frage
This layer formats and encrypts data to be sent across a network, providing freedom from compatibility problems. It is sometimes called the syntax layer.
Antworten
  • Presentation Layer
  • Application Layer
  • Network Layer
  • Physical Layer

Frage 13

Frage
Responsible for end-to-end error recovery and flow control. It ensures complete data transfer.
Antworten
  • Session Layer
  • Application Layer
  • Transport Layer
  • Physical Layer

Frage 14

Frage
Routing and forwarding are functions of this layer, as well as addressing, internetworking, error handling, congestion control and packet sequencing.
Antworten
  • Physical Layer
  • Network Layer
  • Presentation Layer
  • Transport Layer

Frage 15

Frage
Provides error-free transfer of data frames from one node to another over the physical layer.
Antworten
  • Transport Layer
  • Application Layer
  • Session Layer
  • Data-Link Layer

Frage 16

Frage
What are the address types at Layer 1
Antworten
  • Hubs, Repeaters, Cables
  • TCP, SPX and UDP
  • Twisted Pair Cable and Connectors
  • IPv4, IPV6, IPX

Frage 17

Frage
What are the two sublayers of Layer2
Antworten
  • Media Access Control (MAC) layer
  • Open System Interconnection (OSI)
  • 802.3u
  • Logical Link Control (LLC) layer

Frage 18

Frage
What are the address types at Layer 2
Antworten
  • 802.11 (WLAN), Wi-Fi, WiMAX
  • TCP, SPX and UDP
  • SSL, WEP, WPA
  • SONET/SDN,Coaxial Cable, Twisted Pair Cable

Frage 19

Frage
What are the address types at Layer 3
Antworten
  • TCP, SPX and UDP
  • OSPF, ICMP, IGMP and ARP
  • SNMP, SSH, TELNET and NTP
  • Logical Ports 21, 22, 23, 80 etc

Frage 20

Frage
What are the address types at Layer 4
Antworten
  • TCP, SPX and UDP
  • DHCP, DNS, FTP, HTTP
  • Optical Fiber, SONET/SDN,Coaxial Cable
  • IPv4, IPV6, IPX

Frage 21

Frage
What are the address types at Layer 5
Antworten
  • Ethernet, Token Ring, Frame Relay, PPTP, L2TP and ISDN
  • Logical Ports 21, 22, 23, 80 etc.
  • SSL, WEP, WPA, Kerberos,
  • ICMP, IGMP and ARP

Frage 22

Frage
What are the address types at Layer 6
Antworten
  • SSL, WEP, WPA, Kerberos,
  • IPv4, IPV6, IPX,
  • Frame Relay, PPTP, L2TP and ISDN
  • DHCP, DNS, FTP, HTTP

Frage 23

Frage
What are the address types at Layer 7
Antworten
  • Hubs, Repeaters, Cables, Optical Fiber,
  • IPv4, IPV6, IPX, OSPF, ICMP, IGMP and ARP
  • Twisted Pair Cable and Connectors
  • DHCP, DNS, FTP, HTTP

Frage 24

Frage
What is the purpose of address resolution protocol (ARP)
Antworten
  • used to locate the Ethernet address associated with a desired IP address
  • the area of the computer network that consists of every single computer
  • special broadcast address consisting of all used to send frames to all devices on the network
  • virtual broadcast domain created inside a switch

Frage 25

Frage
How many bytes are comprised in an hardware address (MAC address)?
Antworten
  • 6 Bytes
  • 4 Bytes
  • 48 Bits
  • 128 Bytes

Frage 26

Frage
LACP 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.
Antworten
  • True
  • False

Frage 27

Frage
How many bits are dedicated to organization unique identifier (OUI)?
Antworten
  • 24 bits
  • 24 Bytes
  • 3 octets

Frage 28

Frage
What is the "I/G" bit in the hardware address?
Antworten
  • signifies whether the hardware address represents an individual device or a group of devices
  • resolves MAC addresses into IP addresses.
  • signifies support for half duplex Ethernet adds frame bursting and carrier extension

Frage 29

Frage
BIG-IP system uses a what technology to distribute traffic across multiple links. What is the process?
Antworten
  • Multi-Port
  • Trunk
  • logical link
  • BIG Links

Frage 30

Frage
BIG IP assigns MAC address from the lowest-numbered interface of the trunk.
Antworten
  • True
  • False

Frage 31

Frage
BIG-IP uses what trunk protocol?
Antworten
  • ISL
  • LACP
  • None
  • VTP

Frage 32

Frage
Indicates the cost of using a route, which is typically the number of hops to the IP destination.
Antworten
  • Metric
  • Gateway
  • Interface
  • VLAN

Frage 33

Frage
The IP address that the local host uses to forward IP datagrams to other IP networks.
Antworten
  • Gateway
  • Interface
  • Metric

Frage 34

Frage
Routing protocols perform several activities, including:
Antworten
  • Network discovery
  • Updating and maintaining routing tables
  • Frame Filtering
  • ARP

Frage 35

Frage
Remote networks are added to the routing table in two ways:
Antworten
  • By the network administrator manually configuring static routes.
  • By implementing a dynamic routing protocol.
  • By waiting for application to tell the network about IP address
  • By email from host to host

Frage 36

Frage
Select dynamic routing protocols:
Antworten
  • OSPF
  • IS-IS
  • Static routing
  • IGP
  • BGP

Frage 37

Frage
Fragmentation 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.
Antworten
  • True
  • False

Frage 38

Frage
How are the packets reassembled?
Antworten
  • TCP performs reassembly
  • On the receiving end host using fragment ID
  • packets stay connected during transmission
  • application layer assembles the packets for viewing

Frage 39

Frage
The maximum TTL value is _________.
Antworten
  • 255
  • 64
  • 1
  • no TTL exist in packets

Frage 40

Frage
What transmission technology is used for fragmentation of datagrams?
Antworten
  • VLAN
  • MTU
  • ARP
  • MSS

Frage 41

Frage
Which of the types is not a unicast IPv6 unicast addresses?
Antworten
  • Global-Unicast
  • Multicast
  • Link-Local Address
  • Unique Local Address
  • Loopback Address

Frage 42

Frage
IPv6 multicast is routable, and routers will not forward multicast packets unless there are members of the multicast groups to forward the packets to.
Antworten
  • True
  • False

Frage 43

Frage
An anycast address is a single address assigned to a single nodes.
Antworten
  • True
  • False

Frage 44

Frage
IPv6 address is comprised of ________ blocks of ______ bits?
Antworten
  • 8 Blocks
  • 16 Blocks
  • 128 Bits
  • 64 Bits

Frage 45

Frage
What are the terms commonly referred in a "Three-way handshake"
Antworten
  • ACK, or acknowledgment
  • SYN (synchronization) flag
  • FIN ACK, or Finish acknowledgment
  • SYN Ready

Frage 46

Frage
What is common maximum TCP "MTU" packet size for TCP packet?
Antworten
  • The MTU for Ethernet, for instance, is 1500 bytes.
  • 1360 Bytes
  • 576 Bytes

Frage 47

Frage
During 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.
Antworten
  • MSS
  • MTU
  • ARP
  • UDP

Frage 48

Frage
What is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network?
Antworten
  • Protocol Ports
  • logical Address
  • Ethernet addresses
  • VLAN

Frage 49

Frage
What are TCP RST Packets?
Antworten
  • Reset Flags
  • TCP confirmation packets
  • TCP start packets for synchronization
  • No such packet

Frage 50

Frage
What are the three TCP Options?
Antworten
  • Option-Kind
  • Option-SYN count
  • Option-Length
  • Option-Data

Frage 51

Frage
A web browser is an example of a ________.
Antworten
  • user agent (UA)
  • server
  • host
  • user server (US)

Frage 52

Frage
HTTP is an application layer protocol designed within the framework of the Internet Protocol Suite.
Antworten
  • True
  • False

Frage 53

Frage
HTTP request and response messages share similar message attributes, which are:
Antworten
  • label maker request
  • an initial line
  • an optional message body
  • SMTP header

Frage 54

Frage
Define the initial line: GET /path/to/file/index.html HTTP/1.0
Antworten
  • Initial Request Line
  • Initial Response Line
  • HTTP retrieval syntax
  • C+ Code

Frage 55

Frage
Define initial response line: HTTP/1.0 200 OK or HTTP/1.0 404 Not Found
Antworten
  • Initial Request Line
  • Initial Response Line (Status Line)
  • Header Lines
  • HTTP web data packet

Frage 56

Frage
A message asks the server to return the response headers only, and not the actual resource (i.e. no message body).
Antworten
  • POST Method
  • HEAD Method
  • Initial Response Line
  • Initial Request Line

Frage 57

Frage
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.
Antworten
  • HTTP Keep-alives
  • HEAD Method
  • Initial Response Line
  • POST Method

Frage 58

Frage
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.
Antworten
  • HTTP Keep-alives
  • HTTP GET
  • SIP
  • DNS

Frage 59

Frage
Session 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.
Antworten
  • True
  • False

Frage 60

Frage
In FTP mode, the client connects from a random unprivileged port (N > 1023) to the FTP server’s command port, port 21.
Antworten
  • Active
  • Passive
  • Random
  • RCP

Frage 61

Frage
client 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).
Antworten
  • SMTP
  • Telnet
  • Passive FTP
  • RDP

Frage 62

Frage
Outlook Express connects to the SMTP server at mail.howstuffworks.com using port 53 ?
Antworten
  • True
  • False

Frage 63

Frage
The 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:
Antworten
  • recipient name
  • HTTP GET message
  • domain name
  • HTML code

Frage 64

Frage
SMTP Command: introduce yourself and request extended mode
Antworten
  • RCPT TO
  • HELO
  • EHLO

Frage 65

Frage
List 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
Antworten
  • HELO
  • EHLO
  • MAIL FROM
  • RCPT TO

Frage 66

Frage
• [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
Antworten
  • DATA
  • RSET
  • QUIT
  • HELP
  • VRFY

Frage 67

Frage
allows a site to store state information on your machine
Antworten
  • name-value pairs
  • cookie
  • message
  • EHOL

Frage 68

Frage
In HTTP version, what response status code gives NXX redirects the client to another URL ?
Antworten
  • 1XX
  • 2XX
  • 3XX
  • 4XX
  • 5XX

Frage 69

Frage
In HTTP version, what response status code gives NXX indicates an error on the client’s part ?
Antworten
  • 1XX
  • 2XX
  • 3XX
  • 4XX
  • 5XX

Frage 70

Frage
In HTTP version, what response status code gives NXX indicates an error on the server’s part ?
Antworten
  • 1XX
  • 2XX
  • 3XX
  • 4XX
  • 5XX

Frage 71

Frage
What is SIP?
Antworten
  • dedicated telephone line connection
  • communications protocol used for communicating between different devices on a company network
  • an ISDN connection

Frage 72

Frage
For secure transmission that hides (encrypts) the username and password, and encrypts the content, FTP is often secured with
Antworten
  • FTP- SSL/TLS
  • SSH File Transfer Protocol (“SFTP”)
  • TKIP
  • AES

Frage 73

Frage
a reference to a resource that specifies the location of the resource on a computer network and a mechanism for retrieving it.
Antworten
  • URL
  • SIP
  • Logical Port
  • directory

Frage 74

Frage
a standard plain text data interchange format for representing LDAP (Lightweight Directory Access Protocol) directory content and update requests.
Antworten
  • HTTP
  • LDIF
  • SOAP
  • REST
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