Tcpip Introduction Practice Test
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Mar 09, 2011Quiz Created by
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Some top-level DNS domains are .com, .edu, and .mil
How many bits in a byte?
TCP is a connection-oriented protocol.
What is a MAC address?
IPv4 addresses are 6 bytes long?
UDP is a reliable protocol.
Which is the IP address range for a Class A IP
address range?
The maximum decimal value for a byte is 255.
Which of the following is NOT a well-known
domain?
Which is the IP address range for a Class B IP
address range?
Two ways to terminate a TCP session are ICMP
...
The netmask tells a host what address bits
...
Which of the following is used for testing
loopback?
If a TCP task sends a window size of zero, how much
...
At what layer of the OSI model would a ROUTER
operate at?
A value of 6 in the byte 9 of the IP header
...
The tcpdump output shown below is in hexadecimal.09:32:43.910000...
Which layer does the Data Link use to locate
hosts on the network?
In IPv6, the broadcast address type is replaced
...
A packet that is sent on an Ethernet link is
known as a frame.
Servers use ephemeral ports:
Which is the IP address range for a Class C IP
address range?
Which is the IP address range for a Class E IP address range?
Which port does DNS use?
The SYN bit signals the client's intention to:
When there are errors on the network, ICMP
...
OSPF is link state protocols.
The client port, also known as an ephemeral
...
We would use a “Cross-Over” UTP cable type to be
...
Which
of the following are NOT layers of the OSI model?
How many layers are in the OSI model?
Is a UDP checksum mandatory?
Which routing protocol makes a best path
...
A DNS server:
Because TCP is full duplex both the client and
...
In the tcpdump output shown below, what does
...
Which of the following best characterizes TCP
...
The only IP protocols are ICMP, TCP, and UDP
What 2 OSI layers are above and beneath the
Network layer? (Choose 2)
The OSI model is often used to describe
communications architectures.
Which of the following best characterizes ICMP?
When tcpdump is displayed in hexadecimal you see
...
Which is the IP address range for a Class D IP
address range?
At what layer of the OSI model would a BRIDGE
operate at?
What
OSI layer is responsible for converting bits into frames?
UDP operates at what layer of OSI model?
Trusted or "well-known" port numbers
are less than 1024.
We would use a “Cross-Over” UTP cable type to be
...
Do the UDP and TCP protocols operate at the same
...
A Class C address has:
Which host-to-host protocol is used for
reliability?
Ports can have a value of 0 through 65,535.
We would use a “Cross-Over” UTP cable type to be
...
Do ARP requests leave the subnet?
Which two ports are typically required for email
functions?
The server port in the tcpdump output shown
...
Email and FTP work at which layer of the OSI
model?
What does the Address Resolution Protocol (ARP)
do?
Hosts typically know how to route a packet using
a default router.
The IP address 172.20.0.0 is in the Class B
range of addresses.
Tcpdump "sniffs" packets from:
The client sends a RESET to the server to
...
Telnet operates at what layer of the OSI model?
What is a function of a reliable transport layer
connection?
Which of the following is a broadcast MAC
address?
What is the function of ARP?
RFC 2151 details several troubleshooting tools
...
A Class B address has 8 bits to represent the
...
The IP protocol field identifies:
The client port in the tcpdump output shown
...
FTP operates at what layer of the OSI model?
The length of a normal IPv4 header is 24 bytes?
What happens when an ICMP message cannot be
delivered?
The UNIX /etc/services file associates:
Inside the IP header is the protocol field. The
...
What tool is useful for troubleshooting DNS?
A server port of UDP
...
Which TCP/IP protocol is associated with routing?
Compression takes place at what layer of the OSI
model?
If a hacker monitors someone login to the
...
Which RFC has detailed specs on UDP?
When examining the headers of packets displayed
...
The three parts of a TCP connection are
typically:
TCP protocol operates at which layer of the OSI
model?
Which layer of the OSI model is responsible for
translation of data?
IP data is referred to as a packet; Ethernet
...
Which two of the following are routing protocols?
Routing
of IP is a function of which OSI layer?
The tcpdump -s option can change the number of
bytes collected.
The three-way handshake requires the following
...
What does ‘ping’ stand for?
What layer of the OSI model is responsible for
...
Active HUBs operate at which layer of the OSI
model?
What does the acronym OSI represent?
How many layers are in the DOD model?
How many layers are in the TCP/IP model?
If a TCP host has a MSS of 1024 and a current
...
Which two ports are required for DHCP?
How many bytes is a UDP header?
How does a host that has sent TCP data know that
...
The tcpdump -x option dumps the record in
hexadecimal.
The PUSH flag says to:
The maximum length of an IP header is 60 bytes?
How many bytes in an IPv6 address?
During the first and second step of the TCP
...
While using your new protocol analyzer, you
...
In the tcpdump output shown below, what does 09:32:43:9100000...
The field that is 9 bytes offset into the IP
header is:
Which of the following is not reserved for
private addressing?
What layer of the OSI model ensures that packets
...
At which layer of the OSI model does Frame Relay
operate?
Musical Instrument Digital Interface (MIDI)
...
A normal TCP header is 20 bytes long?
Which port would you block related to HTTP
services?
If a tcpdump record is UDP, tcpdump will always
...
At which layer of the OSI model determines which
...
Ethernet announces ARP by placing a specific
...
An IP protocol field of 0x06 indicates IP is
...
An IP protocol field of 0x01 indicates IP is
...
The first step of the three-step handshake
...
Which RFC has detailed specs on IP?
One common UDP application is TFTP, what port
does it use?
What does a router do?
Which are classifications of RFC documents?
TCP uses which field for flow control purposes?
TCP begins a connection with:
What is the dotted decimal subnet mask
...
At what layer of the OSI model would a REPEATER
operate at?
Joe has been using ping and has been
...
Normally, TCP utilizes a four-step shutdown.
...
What do TCP sequence numbers count?
What does DNS resolve to IP addresses?
In the tcpdump output shown below, what does
...
In the tcpdump output shown below, what does the
...
What embedded protocol is used in the tcpdump
...
Server port numbers are typically:
Which is the IP address range for MULTICASTING?
At which layer of the OSI model does SNMP
operate?
Which RFC lists port and protocol numbers?
What are ICMP type 5 used for?
IPv4 uses the TTL field to limit how may times
...
Ports are used to identify applications and aid
...
Which is not a rule applied to assigning IP
addresses to hosts?
Which two ports would you block related to FTP
services?
A server response with the RESET and ACK flags
...
Which OSI layer uses data segments?
Which RFC has detailed specs on the ICMP
protocol?
What does an ICMP type 3, code 3 mean?
Which OSI layer defines MediaPlayer standard?
What is the default value for the Max Segment
...
While doing your daily capture of network
...
The range of well known ports is from?
Which two of the following protocols are based
...
The MAC address is 32 bits long.
Although DNS is very powerful its domain names
...
Does TFTP require authentication?
Which two items below are attributes that make
TCP reliable?
Which problems could result in the failure of
the TELNET service?
At which layer of the OSI model does NetBIOS
operate?
Which of the following OSI layers is responsible
for windowing?
What is the sequence of a normal TCP three-step
...
DNS not only does name resolution but also has
...
In the tcpdump output shown below, what does the
...
Which OSI layer uses ports and sockets?
IP is highly capable at fragmenting data to fit
...
Presentation layer of the OSI model is
responsible for what services?
Which RFC has detailed specs on TCP?
At what layer of the TCP/IP stack can ICMP be
found?
What is the maximum number of hops that a RIP
...
Which OSI layers map to the Network access layer
of the DOD model?
An IP protocol field of 0x11 indicates IP is
...
IPv4 default datagram size is how large (bytes)?
Name two host-to-host protocols?
What command is useful for reviewing the ICMP
...
Which two of the following are routed protocols?
Which routing protocol makes a best path
decision based on hops?
Which of the following Protocols operate on the
...
Which services/protocols below operate on the
Presentation layer?
Which protocols and services are associated with
the Transport layer?
Ethernet has an MTU of 1500. What is the MTU of
IPv4?
Which two items below identify the first step of
...
Which two routing protocols do not support vlsm?
The OSI model of the Datalink layer does which
of the following?
What does an ICMP type 8, code 0 mean?
At what layer of the OSI model does network
redirector operates?
What is the maximum hop count in IPv4?
In the tcpdump output shown below, what does
...
Which of the following Protocols operate on the
Network layer?
Which services/protocols below operate on the
Application layer?
Which two devices operate at the network
...
Name two IPv4 options.
Name two protocols that reside at the Internet
...
Which services and protocols are associated with
...
What does the TCP header checksum cover?
Which services and protocols are associated with
...
Which of the following Protocols operate on the
Transport layer?
At which layers of the OSI model do BROUTERS
operate at?
Which two of the following protocols are based
...
Which organizations have developed the OSI model?
Which of the following two are valid unicast MAC
addresses
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