Pytania i odpowiedzi
neverminder
Zebrane pytania i odpowiedzi do zestawu.
Ilość pytań: 124
Rozwiązywany: 4335 razy
Pytanie 41
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:0:abcd::1
Pytanie 42
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FE80::/10
Pytanie 43
Which three addresses are valid public addresses? (Choose three.)
198.133.219.17
128.107.12.117
64.104.78.227
Pytanie 44
Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
pytanie 44
Pytanie 45
What type of IPv6 address is FE80::1?
link-local
Pytanie 46
How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
62
Pytanie 47
A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
255.255.255.128
Pytanie 48
A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices:
Subnetwork A: IP phones – 10 addresses
Subnetwork B: PCs – 8 addresses
Subnetwork C: Printers – 2 addresses
What single subnet mask would be appropriate to use for the three subnetworks?
255.255.255.240
Pytanie 49
How many hosts are addressable on a network that has a mask of 255.255.255.248?
6
Pytanie 50
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
Pytanie 51
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
255.255.255.192
Pytanie 52
What are two characteristics shared by TCP and UDP? (Choose two.)
port numbering
use of checksum
Pytanie 53
Why are port numbers included in the TCP header of a segment?
to enable a receiving host to forward the data to the appropriate application
Pytanie 54
Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices?
pytanie 54
Pytanie 55
Which statement is true about variable-length subnet masking?
The size of each subnet may be different, depending on requirements.
Pytanie 56
In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)
when a faster delivery mechanism is needed
when applications do not need to guarantee delivery of the data
Pytanie 57
destination and source port numbers
Pytanie 58
What is the TCP mechanism used in congestion avoidance?
sliding window
Pytanie 59
Which scenario describes a function provided by the transport layer?
A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window
Pytanie 60
A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?
the destination port number