464513
Pregunta 1
Pregunta
The Department of Defense created the DoD model which is made of four layers. What are they?
Respuesta
-
Network layer
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Network access layer
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Process/Application layer
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Data Link Layer
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Internet Layer
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Host to Host Layer
Pregunta 2
Pregunta
The Process/Application from the DoD model is equal to what layers in the OSI model?
Respuesta
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Application Layer
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Transport Layer
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Presentation Layer
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Network Layer
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Session Layer
Pregunta 3
Pregunta
The Host to Host layer from the DoD model is equal to what layer of the OSI model?
Respuesta
-
Network Layer
-
Transport Layer
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Network Access
Pregunta 4
Pregunta
The Network Access of the DoD model is equal to what layers of the OSI model?
Respuesta
-
Data Link Layer
-
Network Layer
-
Internet Layer
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Physical Layer
Pregunta 5
Pregunta
The DoD Process/Application Layer provides support on different applications. Which of these applications does it support?
Respuesta
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Telnet and SSH
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HTTP/HTTPS
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SMTP/ SNMP
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NTP and NFS
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DNS, DHCP and BootP
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POP, FTP, and TFTP
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IPv4 and IPv6
Pregunta 6
Pregunta
Telnet is a protocol that its specialty is __________ ____________.
Respuesta
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Accessing information.
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Terminal Emulation.
Pregunta 7
Pregunta
With File Transfer Protocol (TFTP) there is no authentication.
Respuesta
- True
- False
Pregunta 8
Pregunta
Post Office Protocol (POP) and Internet Message Access Protocol (IMAP) provides a storage facility for incoming mail. Its only used for receiving email.
Respuesta
- True
- False
Pregunta 9
Pregunta
Simple Mail Transfer Protocol (SMTP) is used to spool, queue, and send email only.
Respuesta
- True
- False
Pregunta 10
Pregunta
What is the well known port number for FTP?
Respuesta
-
20 (FTP data) and 21 (FTP Control)
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23 (FTP data) and 24 (FTP Control)
Pregunta 11
Pregunta
What is the well know port number for Secured Shell and Telnet
Respuesta
-
Port 19 (SSH) and Port 23 (Telnet)
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Port 22 (SSH) and Port 23 (Telnet)
Pregunta 12
Pregunta
What is the well known port numbers for HTTP and HTTPS?
Respuesta
-
Port 80 (HTTP) and Port 442 (HTTPS)
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Port 80 (HTTP) and Port 443 (HTTPS)
Pregunta 13
Pregunta
What is the well known port numbers for SMTP and DNS?
Respuesta
-
Port 25 (SNMP) and Port 53 (DNS)
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Port 25 (SMTP) and Port 52 (DNS)
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Port 25 (SMTP) and Port 53 (DNS)
Pregunta 14
Pregunta
DNS (Port 53) uses both TCP and UDP
Respuesta
- True
- False
Pregunta 15
Pregunta
What is the well known port numbers for SNMP and BOOTP/DHCP?
Respuesta
-
Port 161(SNMP) and Port 67 (BOOTP/DHCP)
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Port 67 (SNMP) and Port 161 (BOOTP/DHCP)
Pregunta 16
Pregunta
TCP is a full duplex, ______________ protocol that uses a virtual circuit for a sesssion, and UDP is a _____________ protocol that does not provide a virtual circuit for a session.
Respuesta
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connection-oriented, connection-less
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connection-less, connection-oriented
Pregunta 17
Pregunta
In the Dod Model, the only protocols that the Host to Host layer provide are TCP and UDP
Respuesta
- True
- False
Pregunta 18
Pregunta
TCP segment format contains a 16 bit source port and 16 bit destination port. It also contains a 32 bit sequencing number (when receiving segments) and a 32 bit acknowledgment (To request the next expected data via windowing)
Respuesta
- True
- False
Pregunta 19
Pregunta
UDP format does not sequence nor does it use any form of windowing so no acknowledgments are expected. Also it does not create a virtual circuit. The only format for UDP is a 16 bit Source port and a 16 bit destination port. It does have a 16 bit Length field and a 16 bit Checksum field along with the data.
Respuesta
- True
- False
Pregunta 20
Pregunta
Ports up to 1023 are considered to be well known port numbers as defined by the RFC 3232.
Respuesta
- True
- False
Pregunta 21
Pregunta
In the Dod Model the Internet Layer, what are the protocols supported?
Respuesta
-
Internet Protocol (IP)
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Session Protocol
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Proxy ARP (Address Resolution Protocol)
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Reverse Address Resolution Protocol
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Logical addressing protocol
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Address Resolution Protocol
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Internet Control Message Protocol (ICMP)
Pregunta 22
Pregunta
What are the ports used in the Internet Layer's IP header to provide over to the Host to Host layer of the DoD model for both TCP and UDP?
Respuesta
-
Port 6 (TCP) and Port 17 (UDP)
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Port 15 (UDP) and Port 17 (TCP)
Pregunta 23
Pregunta
The Protocol field in the IP header for the Host to Host (DoD) and Transport (OSI) layers can also be using protocols aside from TCP and UDP. What are the protocols?
Respuesta
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Port 4 (IP Tunneling) Port 115 (Layer 2 Tunneling)
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Port 88 (EIGRP) and Port 89 (OSPF)
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Port 41 (IPv6) and Port 1 (ICMP)
Pregunta 24
Pregunta
What finds a hardware address from a known IP address?
Respuesta
-
Reverse Address Resolution Protocol (RARP)
-
Address Resolution Protocol (ARP)
Pregunta 25
Pregunta
What finds an IP address from its known hardware address?
Respuesta
-
Reverse Address Resolution Protocol (RARP)
-
Address Resolution Protocol (ARP)
Pregunta 26
Pregunta
This is a technique by which a device on a given network answers the ARP queries for a network address that is not on that network.
Respuesta
-
Address Resolution Protocol (ARP)
-
Proxy Address Resolution Protocol (ARP)
-
Reverse Address Resolution Protocol (RARP)
Pregunta 27
Pregunta
Internet Protocol (IP) is a connection-less protocol
Respuesta
- True
- False
Pregunta 28
Pregunta
What are port numbers used for?
Respuesta
-
Port numbers are used to transfer information from one layer to another.
-
Port numbers are used to identify the protocol or service that is to be used in the transmission.
Pregunta 29
Pregunta
The four layers of the TCP/IP Stack are 1)_________, 2) _____________, 3) ____________, 4)_____________.
Respuesta
-
Process / Application, Host to Host, Internet, Network Access
-
Application, Transport, Internet, Network Access
Pregunta 30
Pregunta
The four layers of the DOD model are 1) ___________, 2) ____________, 3)_____________, 4) _____________ .
Respuesta
-
Process / Application, Host to Host, Internet, Network Access
-
Application, Transport, Internet, Network Access
Pregunta 31
Pregunta
The TCP/IP Protocol Suite is the networking model and a set of communication protocols used for the internet and similar networks.
Respuesta
- True
- False
Pregunta 32
Pregunta
What are the TCP/IP Protocols for the Application Layer? (Choose three)
Respuesta
-
UDP and TCP
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Ethernet, and Token Ring.
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Telnet and SSH
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Switches and Bridges
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HTTP and FTP
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DHCP, SMTP, and SNMP
Pregunta 33
Pregunta
What are the TCP/IP Protocols for the Application Layer? (Choose three)
Respuesta
-
UDP and TCP
-
Ethernet, and Token Ring.
-
Telnet and SSH
-
Switches and Bridges
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HTTP and FTP
Pregunta 34
Pregunta
What is the TCP/IP Stack Model protocols for the Transport Layer?
Respuesta
-
IPv4 and IPv6
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ICMP and ARP
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TCP and UDP
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Ethernet and Token Ring
Pregunta 35
Pregunta
What are the TCP/IP Model protocols for the Internet Layer? (Choose three)
Respuesta
-
Ethernet and Token Ring
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IPv4 and IPv6
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HTTP and FTP
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ICMP and ARP
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RARP
-
SNMP
Pregunta 36
Pregunta
What are the TCP/IP Model Protocols for the Network Access layer? (Choose three)
Respuesta
-
TCP and UDP
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IPv4 and IPv6
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Ethernet and Token Ring
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HTTP and FTP
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Hardware Adapters
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X.25 and FDDI
Pregunta 37
Pregunta
What two protocols uses session multiplexing?
Respuesta
-
HTTP and HTTPS
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IPv4 and IPv6
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TCP and UDP
Pregunta 38
Pregunta
TCP uses port number ____ for FTP, and for Telnet ____ and for HTTP ______ when supporting Application layer services.
Respuesta
-
FTP=21, Telnet=25, HTTP=80
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FTP=23, Telnet=21, HTTP=80
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FTP=21. Telnet=23, HTTP=80
Pregunta 39
Pregunta
What of the following are considered "Well Known Ports"? (Choose two)
Respuesta
-
FTP=21 Telnet=23 SMTP=25
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HTTP=8080
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HSRP=1985
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DNS=53, SNMP=161, TFTP=69
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