Tcpip Introduction Practice Test
- IEEE
- ISO/IEC 7498-1
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Some top-level DNS domains are .com, .edu, and .mil
TCP is a connection-oriented protocol.
How many bits in a byte?
IPv4 addresses are 6 bytes long?
UDP is a reliable protocol.
Which is the IP address range for a Class A IP
address range?
What is a MAC address?
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?
The netmask tells a host what address bits
...
If a TCP task sends a window size of zero, how much
...
At what layer of the OSI model would a ROUTER
operate at?
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 layer does the Data Link use to locate
hosts on the network?
A packet that is sent on an Ethernet link is
known as a frame.
Which of the following is used for testing
loopback?
Two ways to terminate a TCP session are ICMP
...
OSPF is link state protocols.
We would use a “Cross-Over” UTP cable type to be
...
In IPv6, the broadcast address type is replaced
...
Which routing protocol makes a best path
...
A value of 6 in the byte 9 of the IP header
...
The tcpdump output shown below is in hexadecimal.09:32:43.910000...
Is a UDP checksum mandatory?
Because TCP is full duplex both the client and
...
Servers use ephemeral ports:
How many layers are in the OSI model?
Which port does DNS use?
When there are errors on the network, ICMP
...
The only IP protocols are ICMP, TCP, and UDP
The SYN bit signals the client's intention to:
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?
UDP operates at what layer of OSI model?
Trusted or "well-known" port numbers
are less than 1024.
The client port, also known as an ephemeral
...
Do the UDP and TCP protocols operate at the same
...
A Class C address has:
A DNS server:
In the tcpdump output shown below, what does
...
Which
of the following are NOT layers of the OSI model?
Ports can have a value of 0 through 65,535.
Which of the following best characterizes TCP
...
The server port in the tcpdump output shown
...
The client sends a RESET to the server to
...
At what layer of the OSI model would a BRIDGE
operate at?
What 2 OSI layers are above and beneath the
Network layer? (Choose 2)
What
OSI layer is responsible for converting bits into frames?
What is the function of ARP?
A Class B address has 8 bits to represent the
...
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.
Telnet operates at what layer of the OSI model?
Which of the following is a broadcast MAC
address?
The client port in the tcpdump output shown
...
We would use a “Cross-Over” UTP cable type to be
...
Do ARP requests leave the subnet?
The length of a normal IPv4 header is 24 bytes?
Which host-to-host protocol is used for
reliability?
Email and FTP work at which layer of the OSI
model?
Which two ports are typically required for email
functions?
What tool is useful for troubleshooting DNS?
What does the Address Resolution Protocol (ARP)
do?
We would use a “Cross-Over” UTP cable type to be
...
Inside the IP header is the protocol field. The
...
When examining the headers of packets displayed
...
Tcpdump "sniffs" packets from:
Which layer of the OSI model is responsible for
translation of data?
What is a function of a reliable transport layer
connection?
RFC 2151 details several troubleshooting tools
...
The IP protocol field identifies:
TCP protocol operates at which layer of the OSI
model?
The tcpdump -s option can change the number of
bytes collected.
The PUSH flag says to:
What does the acronym OSI represent?
FTP operates at what layer of the OSI model?
How many layers are in the TCP/IP model?
While using your new protocol analyzer, you
...
How many bytes is a UDP header?
What happens when an ICMP message cannot be
delivered?
A server port of UDP
...
The UNIX /etc/services file associates:
Which TCP/IP protocol is associated with routing?
What layer of the OSI model ensures that packets
...
At which layer of the OSI model does Frame Relay
operate?
How many bytes in an IPv6 address?
IP data is referred to as a packet; Ethernet
...
Which RFC has detailed specs on UDP?
Which two of the following are routing protocols?
The three-way handshake requires the following
...
What layer of the OSI model is responsible for
...
Compression takes place at what layer of the OSI
model?
Routing
of IP is a function of which OSI layer?
If a hacker monitors someone login to the
...
The three parts of a TCP connection are
typically:
What does ‘ping’ stand for?
If a TCP host has a MSS of 1024 and a current
...
Which port would you block related to HTTP
services?
The tcpdump -x option dumps the record in
hexadecimal.
Active HUBs operate at which layer of the OSI
model?
How many layers are in the DOD model?
An IP protocol field of 0x06 indicates IP is
...
The first step of the three-step handshake
...
Which two ports are required for DHCP?
How does a host that has sent TCP data know that
...
Which of the following is not reserved for
private addressing?
The maximum length of an IP header is 60 bytes?
During the first and second step of the TCP
...
TCP begins a connection with:
In the tcpdump output shown below, what does 09:32:43:9100000...
The field that is 9 bytes offset into the IP
header is:
A normal TCP header is 20 bytes long?
What is the dotted decimal subnet mask
...
At what layer of the OSI model would a REPEATER
operate at?
If a tcpdump record is UDP, tcpdump will always
...
At which layer of the OSI model determines which
...
Musical Instrument Digital Interface (MIDI)
...
An IP protocol field of 0x01 indicates IP is
...
What do TCP sequence numbers count?
What does a router do?
Ethernet announces ARP by placing a specific
...
TCP uses which field for flow control purposes?
Which RFC has detailed specs on IP?
One common UDP application is TFTP, what port
does it use?
In the tcpdump output shown below, what does the
...
Which are classifications of RFC documents?
Which is the IP address range for MULTICASTING?
IPv4 uses the TTL field to limit how may times
...
Normally, TCP utilizes a four-step shutdown.
...
What does DNS resolve to IP addresses?
What does an ICMP type 3, code 3 mean?
Server port numbers are typically:
Which OSI layer uses data segments?
At which layer of the OSI model does SNMP
operate?
Joe has been using ping and has been
...
Which RFC has detailed specs on the ICMP
protocol?
In the tcpdump output shown below, what does
...
What embedded protocol is used in the tcpdump
...
What is the default value for the Max Segment
...
Which OSI layer defines MediaPlayer standard?
The range of well known ports is from?
Which RFC lists port and protocol numbers?
What are ICMP type 5 used for?
Which two of the following protocols are based
...
The MAC address is 32 bits long.
Which two items below are attributes that make
TCP reliable?
Which is not a rule applied to assigning IP
addresses to hosts?
What is the sequence of a normal TCP three-step
...
Ports are used to identify applications and aid
...
Which two ports would you block related to FTP
services?
A server response with the RESET and ACK flags
...
Which OSI layer uses ports and sockets?
While doing your daily capture of network
...
Although DNS is very powerful its domain names
...
At which layer of the OSI model does NetBIOS
operate?
Which of the following OSI layers is responsible
for windowing?
Does TFTP require authentication?
In the tcpdump output shown below, what does the
...
Which problems could result in the failure of
the TELNET service?
DNS not only does name resolution but also has
...
IPv4 default datagram size is how large (bytes)?
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
...
Name two host-to-host protocols?
Which two of the following are routed protocols?
In the tcpdump output shown below, what does
...
Which routing protocol makes a best path
decision based on hops?
What command is useful for reviewing the ICMP
...
Which protocols and services are associated with
the Transport layer?
Which of the following Protocols operate on the
...
The OSI model of the Datalink layer does which
of the following?
Which services/protocols below operate on the
Presentation layer?
Ethernet has an MTU of 1500. What is the MTU of
IPv4?
Which two items below identify the first step of
...
What does an ICMP type 8, code 0 mean?
Which two routing protocols do not support vlsm?
At what layer of the OSI model does network
redirector operates?
What is the maximum hop count in IPv4?
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
