commands Flashcards
command displays a PCs current IP routing table
route print
command displays netbios info in windows for IP based networks
nbtstat
rs-232 is a __ pin connector (aka DB-9) that is a type of ______ serial communication medium for low speed communication
9, async
the ____ command can be used to find the layer-3 IP address to a corresponding layer-s MAC address
ARP
lookup a server’s ip via its fully qualified domain name like brockport.edu, the command tool you use on windows is ____
nslookup
csma/ca is a protocol for ethernet (true/false)
false
a single-mode fiber-optic cabling allows an individual light path through it (true/false)
true
STP is a built-in feature of a ROUTER which is used to avoid the broadcast storm (true/false)
false (switches)
IGMP protocol is used by the ping command (true/false)
false
in an ip packet there are a few reserved bits to indicate the length of this ip packet (true/false)
true
a bluetooth network allows wireless communication for short distances (true/false)
true
in copper or fiber, the speed slows to about 2/3 of light speed and becomes frequency dependent (true/false)
true
port #’s less than 1024 are well-known ports for stuff like telnet, ftp, dns, etc (true/false)
true
the unix traceroute command is used to determine the MAC address of a remote machine (true/false)
false
auto mdi-x can automatically switch to the proper configuration once a cable is connected (true/false)
true
data rates of usb 2.0 & 3.0 are 10 times different (true/false)
true
rj11 is a 4 pin connector used in telephone networks (true/false)
true
in a vacuum all light waves travel at same speed no matter the frequency (true/false)
true
gps is a popular app that uses fiber optics (true/false)
false
TTL uses 8 bits in an ip header to count routing hops
true
what is used by a switch to identify devices?
mac
most popular topology used on modern lans
star
ftp port
20,21
ssh port
22
telnet port
23
http port
80
smtp port
25
of chars in ascii char set
128
control chars
33
special chars
33
