Flashcards
Operating systems and networks - Set 1
Flashcards for quick repetition. Test your networks and operating systems knowledge.
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What information is added during encapsulation at OSI Layer 3?
source and destination MAC
source and destination application protocol
source and destination IP address
source and destination IP address
What are two services provided by the OSI network layer? (Choose two.)
collision detection
performing error detection
routing packets toward the destination
encapsulating PDUs from the transport layer
routing packets toward the destination
encapsulating PDUs from the transport layer
Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
pytanie 33
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
to identify the broadcast address of the destination network
to identify faulty frames
to identify the network address of the destination network
to identify the network address of the destination network
What are two functions of NVRAM? (Choose two.)
to retain contents when power is removed
to contain the running configuration file
to store the ARP table
to store the routing table
to store the startup configuration file
to retain contents when power is removed
to store the startup configuration file
Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
pytanie 36
What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
203.0.113.211
198.51.100.201
209.165.201.223
192.0.2.199
What are three characteristics of multicast transmission? (Choose three.)
The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Multicast messages map lower layer addresses to upper layer addresses.
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
Computers use multicast transmission to request IPv4 addresses.
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
10.0.0.0/8
192.31.7.0/24
64.100.0.0/14
172.16.0.0/12
192.168.0.0/16
127.16.0.0/12
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
What purpose does NAT64 serve in IPv6?
It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.
It converts IPv6 packets into IPv4 packets.
It enables companies to use IPv6 unique local addresses in the network
It converts IPv6 packets into IPv4 packets.
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:0:abcd::1
2001:0:abcd::1
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
Which three addresses are valid public addresses? (Choose three.)
10.15.250.5
192.168.1.245
64.104.78.227
198.133.219.17
128.107.12.117
64.104.78.227
198.133.219.17
128.107.12.117
Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
pytanie 44
What type of IPv6 address is FE80::1?
loopback
link-local
multicast
