Network+ Flashcards
What is the decimal equivalent?
0 0 0 0 0 0 0 0
0
What is the decimal equivalent?
1 0 0 0 0 0 0 0
128
What is the decimal equivalent?
1 1 0 0 0 0 0 0
192
What is the decimal equivalent?
1 1 1 0 0 0 0 0
224
What is the decimal equivalent?
1 1 1 1 0 0 0 0
240
What is the decimal equivalent?
1 1 1 1 1 0 0 0
248
What is the decimal equivalent?
1 1 1 1 1 1 0 0
252
What is the decimal equivalent?
1 1 1 1 1 1 1 0
254
What is the decimal equivalent?
1 1 1 1 1 1 1 1
255
What’s 802.11a?
The IEEE standard for wireless LANs using the U-NII spectrum, OFDM encoding, at speeds of up to 54 Mbps.
What’s 802.11b?
The IEEE standard for wireless LANs using the ISM spectrum, DSSS encoding, and speeds of up to 11 Mbps.
What’s 802.11g?
The IEEE standard for wireless LANs using the ISM spectrum, OFDM or DSSS encoding, and speeds of up to 54 Mbps.
What’s 802.11n?
The IEEE standard for wireless LANs using the ISM spectrum, OFDM encoding, and multiple antennas for single-stream speeds up to 150 Mbps.
What’s 802.1Q?
The IEEE standardized protocol for VLAN trunking.
What’s 802.2?
The IEEE LAN protocol that specifies an implementation of the LLC sublayer of the data link layer.
What’s 802.3?
The set of IEEE LAN protocols that specifies the many variations of what is known today as an Ethernet LAN.
What is the informal IEEE standard name (cable)?
802.3
10BASE-T
What is the informal IEEE standard name (cable)?
802.3ab
1000BASE-T
What is the informal IEEE standard name (cable)?
802.3an
10GBASE-T
What is the informal IEEE standard name (cable)?
802.3u
100BASE-T
What is the informal IEEE standard name (cable)?
802.3z
1000BASE-LX
What is the private IPv4 address range for APIPA?
- 254.0.0 to 169.254.255.255
- 254.0.0/16
What is the cable type and max. length?
10BASE-T
Copper, 100 m
What is the cable type and max. length?
100BASE-T
Copper, 100 m
What is the cable type and max. length?
1000BASE-LX
Fiber, 5000 m
What is the cable type and max. length?
1000BASE-T
Copper, 100 m
What is the formal IEEE standard name?
10BASE-T
802.3
What is the formal IEEE standard name?
100BASE-T
802.3u
What is the cable type and max. length?
10GBASE-T
Copper, 100 m
What is the formal IEEE standard name?
1000BASE-LX
802.3z
What is the formal IEEE standard name?
1000BASE-T
802.3ab
What is the formal IEEE standard name?
10GBASE-T
802.3an
Which class?
192 to 223
Class C
What is the first octet range and purpose of the IPv4 Address Class?
Class A
1 - 126
Unicast (large networks)
What is the first octet range and purpose of the IPv4 Address Class?
Class B
128 - 191
Unicast (medium-sized networks)
What is the first octet range and purpose of the IPv4 Address Class?
Class C
192 - 223
Unicast (small networks)
What is the first octet range and purpose of the IPv4 Address Class?
Class D
224 - 239
Multicast
Class E
240 - 255
Experimental
What is the prefix length (subnet mask) for Class A?
/8
What is the prefix length (subnet mask) for Class B?
/16
What is the prefix length (subnet mask) for Class C?
/24
Which class?
1 to 126
Class A
Which class?
128 to 191
Class B
What is the first octet range?
Class A
1 to 126
What is the first octet range?
Class B
128 to 191
What is the first octet range?
Class C
192 to 223
What’s the port number and protocol?
DHCP
67, 68
UDP
What’s the port number and protocol?
DNS
53
UDP, TCP
What’s a DS1?
Digital signal level 1. 1.544 Mbps.
Equal to 24 DS0 channels. Also called a T1.
What’s a T1?
Same as DS1. 1.544 Mbps.
Equal to 24 DS0 channels.
What’s a DS3?
Digital signal level 3. 44.736 Mbps.
Equal to 28 DS1 channels. Also called a T3.
What’s an E1?
Similar to T1, but used in Europe. 2.048 Mbps.
Equal to 32 DS0 channels.
What’s a DS0?
Digital signal level 0. 64 Kbps.
Describe the HDLC Flag / Ethernet Preamble field.
Lists a recognizable bit pattern so that the receiving nodes realize that a new frame is arriving.
Describe the HDLC Address / Ethernet Destination Address field.
Identifies the destination device.
Describe the HDLC Type / Ethernet Type field.
Identifies the type of Layer 3 packet encapsulated inside the frame.
Describe the HDLC FCS / Ethernet FCS field.
A field used by the error detection process. This is in the trailer.
What is the formal IEEE standard name?
Ethernet
(10 Mbps)
802.3
Convert a MAC to an EUI-64 address.
What is the formal IEEE standard name?
Fast Ethernet
(100 Mbps)
802.3u
What’s the port number and protocol?
FTP control
21
TCP
What’s the port number and protocol?
FTP data
20
TCP
What is the formal IEEE standard name?
Gigabit Ethernet
(1000 Mbps)
802.3z
What is the formal IEEE standard name?
Gigabit Ethernet
(1000 Mbps)
802.3ab
What is the Ethernet header type (protocol) for this number?
1
ICMP
What is the Ethernet header type (protocol) for this number?
6
TCP
What is the Ethernet header type (protocol) for this number?
17
UDP
What’s the port number and protocol?
HTTP (WWW)
80
TCP
What is the Ethernet header type (number) for this protocol?
ICMP
1
What’s the IEEE standard for wireless LANs using the ISM spectrum, OFDM or DSSS encoding, and speeds of up to 54 Mbps?
802.11g
What’s the IEEE LAN protocol that specifies an implementation of the LLC sublayer of the data link layer?
802.2
What’s the set of IEEE LAN protocols that specifies the many variations of what is known today as an Ethernet LAN?
802.3
What’s the IEEE standard for wireless LANs using the U-NII spectrum, OFDM encoding, at speeds of up to 54 Mbps?
802.11a
What’s the IEEE standard for wireless LANs using the ISM spectrum, OFDM encoding, and multiple antennas for single-stream speeds up to 150 Mbps?
802.11n
What’s the IEEE standard for wireless LANs using the ISM spectrum, DSSS encoding, and speeds of up to 11 Mbps?
802.11b
What’s the IEEE standardized protocol for VLAN trunking?
802.1Q
IPv6 Global Unicast
starts with 2 or 3
Types of IPv6 Unicast Addresses
IPv6 Loopback
::1
Types of IPv6 Unicast Addresses
IPv6 Unspecified
::
IPv6 Multicast
starts with FF
IPv6 Link-Local (Private)
starts with FE80
IPv6 Unique Local
starts with FD
Which OSI Layer?
Bits
Layer 1
Which OSI Layer?
Segments
Layer 4
Which OSI Layer?
Frames
Layer 2
Which OSI Layer?
Packets
Layer 3
What’s the PDU?
Layer 1
Bits
What’s the PDU?
Layer 2
Frames
What’s the PDU?
Layer 3
Packets
What’s the PDU?
Layer 4
Segments
EIA/TIA T568B
What devices Transmit on Pins 1 and 2?
PC NICs, Routers, and WAPs
What devices Receive on Pins 1 and 2?
Hubs and Switches
What devices Transmit on Pins 3 and 6?
Hubs and Switches
What devices Receive on Pins 3 and 6?
PC NICs, Routers, and WAPs
Transmits on which Pins?
PC NICs
1, 2
Transmits on which Pins?
Routers
1, 2
Transmits on which Pins?
WAPs
1, 2
Transmits on which Pins?
Hubs
3, 6
Transmits on which Pins?
Switches
3, 6
What’s the port number and protocol?
POP3
110
TCP
What’s the application and protocol?
25
SMTP
TCP
What’s the application and protocol?
53
DNS
UDP, TCP
What’s the application and protocol?
67
DHCP
UDP
What’s the application and protocol?
68
DHCP
UDP
What’s the application and protocol?
69
TFTP
UDP
What’s the application and protocol?
80
HTTP (WWW)
TCP
What’s the application and protocol?
20
FTP data
TCP
What’s the application and protocol?
21
FTP control
TCP
What’s the application and protocol?
110
POP3
TCP
What’s the application and protocol?
22
SSH
TCP
What’s the application and protocol?
161
SNMP
UDP
443
HTTPS (SSL)
TCP
What’s the application and protocol?
23
Telnet
TCP
What is the private IPv4 address range for Class B?
- 16.0.0 to 172.31.255.255
- 16.0.0/12
What is the private IPv4 address range for Class C?
- 168.0.0 to 192.168.255.255
- 168.0.0/16
What is the private IPv4 address range for Class A?
- 0.0.0 to 10.255.255.255
- 0.0.0/8
IP range for (and number of) private networks / RFC 1918 Private Address Space
Class A
10.0.0.0
(1)
IP range for (and number of) private networks / RFC 1918 Private Address Space
Class B
172.16.0.0 thru 172.31.0.0
(16)
IP range for (and number of) private networks / RFC 1918 Private Address Space
Class C
192.168.0.0 thru 192.168.255.0
(256)
What’s the port number and protocol?
SMTP
25
TCP
What’s the port number and protocol?
SNMP
161
UDP
What is the common name and speed?
802.3
Ethernet
(10 Mbps)
What is the common name and speed?
802.3u
Fast Ethernet
(100 Mbps)
What is the common name and speed?
802.3z
Gigabit Ethernet
(1000 Mbps)
What is the common name and speed?
802.3ab
Gigabit Ethernet
(1000 Mbps)
What is the common name and speed?
802.3an
10 Gig Ethernet
(10 Gbps)
What’s the port number and protocol?
SSH
22
TCP
What’s the port number and protocol?
SSL
443
TCP
Describe the “Connection establishment and termination” function of the TCP/IP Transport Layer.
Used to initialize port numbers and Sequence and Acknowledgment fields.
Describe the “Ordered data transfer and data segmentation” function of the TCP/IP Transport Layer.
Continuous stream of bytes from an upper-layer process that is “segmented” for transmission and delivered to upper-layer processes at the receiving device, with the bytes in the same order.
Describe the “Multiplexing using ports” function of the TCP/IP Transport Layer.
Allows receiving hosts to choose the correct application for which the data is destined, based on the port number.
Describe the “Error recovery (reliability) function of the TCP/IP Transport Layer.
Process of numbering and acknoledging data with Sequence and Acknowledgment header fields.
Describe the “Flow control using windowing” function of the TCP/IP Transport Layer.
Uses window sizes to protect buffer space and routing devices from being overloaded with traffic.
What is the Ethernet header type (number) for this protocol?
TCP
6
What’s the port number and protocol?
Telnet
23
TCP
What is the formal IEEE standard name?
10 Gig Ethernet
(10 Gbps)
802.3an
What’s the port number and protocol?
TFTP
69
UDP
What is the Ethernet header type (number) for this protocol?
UDP
17
