Cisco Chapter 8 Exam Review
Refer to the exhibit. Considering the addresses already used and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?
10.16.10.64/27
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
1022
Refer to the exhibit. Given the network address of 192.168.5.0 and a subnet mask of 255.255.255.224, how many total host addresses are unused in the assigned subnets?
72
A message is sent to all hosts on a remote network. Which type of message is it?
directed broadcast
169.254.1.5
a link-local address
127.0.0.1
a loopback address
172.19.20.5
a private address
An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet?
all IPv6 enabled nodes on the local link
240.2.6.255
an experimental address
198.256.2.6
an invalid IPv4 address
What is the prefix length notation for the subnet mask 255.255.255.224?
/27
Consider the following range of addresses: 2001:0DB8:BC15:00A0:0000:: 2001:0DB8:BC15:00A1:0000:: 2001:0DB8:BC15:00A2:0000:: ... 2001:0DB8:BC15:00AF:0000:: The prefix-length for the range of addresses is ______
/60
Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?
0.0.0.31
Broadcast address
10.0.0.159/27 *192.168.1.191/26*
If a network device has a mask of /28, how many IP addresses are available for hosts on this network?
14
The decimal equivalent of the binary number 10010101 is ___
149
Refer to the exhibit. A company is deploying an IPv6 addressing scheme for its network. The company design document indicates that the subnet portion of the IPv6 addresses is used for the new hierarchical network design, with the site subsection to represent multiple geographical sites of the company, the sub-site section to represent multiple campuses at each site, and the subnet section to indicate each network segment separated by routers. With such a scheme, what is the maximum number of subnets achieved per sub-site? 2001:DB8:1234:0(SITE)00(SUB-SITE)0(SUBNET)::/64
16
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that?
192.168.1.64/27 *192.168.1.96/28*
Network address
192.168.1.80/29 *172.110.12.64/28* 10.10.10.128/25
Host address
192.168.100.161/25 *203.0.113.100/24* 10.0.50.10/30
What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
2001:DB8:BC15:A
A DHCP server is used to assign IP addresses dynamically to the hosts on a network. The address pool is configured with 192.168.10.0/24. There are 3 printers on this network that need to use reserved static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?
251
Refer to the exhibit. A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit?
255.255.255.128
A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices: IP phones - 22 addresses PCs - 20 addresses needed Printers - 2 addresses needed Scanners - 2 addresses needed The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?
255.255.255.224
Which subnet mask would be used if 5 host bits are available?
255.255.255.224
How many bits are in an IPv4 address?
32
Refer to the exhibit. How many broadcast domains are there?
4
A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.248. How many usable host addresses will this subnet provide?
6
What is the decimal equivalent of the hex number 0x3F?
63
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which message is displayed on the web server?
Correct configuration!
Which three addresses could be used as the destination address for OSPFv3 messages?
FE80::1 *FF02::5* FF02::6
Which IPv6 address is most compressed for the full FE80:0:0:0:2AA:FF:FE9A:4CA3 address?
FE80::2AA:FF:FE9A:4CA3
Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks?
It eliminates most address configuration errors. *It reduces the burden on network support staff.*
Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?
IP address: 192.168.10.38 subnet mask: 255.255.255.248, default gateway: 192.168.10.33
What is indicated by a successful ping to the ::1 IPv6 address?
IP is properly installed on the host.
Which two statements are correct about IPv4 and IPv6 addresses?
IPv6 addresses are represented by hexadecimal numbers. * IPv4 addresses are 32 bits in length.*
What are two reasons a network administrator might want to create subnets?
Improves network performance *Easier to implement security policies*
192.168.0.0 /25
Network A
192.168.0.128 /26
Network B
192.168.0.192 /27
Network C
192.168.0.224 /30
Network D
224.2.6.255
a legacy class D address
When a Cisco router is being moved from an IPv4 network to a complete IPv6 environment, which series of commands would correctly enable IPv6 forwarding and interface addressing?
Router# configure terminal Router(config)# interface fastethernet 0/0 Router(config-if)# ipv6 address 2001:db8:bced:1::9/64 Router(config-if)# no shutdown Router(config-if)# exit Router(config)# ipv6 unicast-routing
What two statements describe characteristics of Layer 3 broadcasts?
Routers create broadcast domains. *A router will not forward any type of Layer 3 broadcast packet.*
What is a result of connecting two or more switches together?
The size of the broadcast domain is increased
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
Three
192.0.2.153
a TEST-NET address
What are three parts of an IPv6 global unicast address?
a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP *a subnet ID that is used to identify networks inside of the local enterprise site* an interface ID that is used to identify the local host on the network
64.100.3.5
a legacy class A address
128.107.5.1
a legacy class B address
192.31.18.123
a legacy class C address
What are two types of IPv6 unicast addresses?
loopback *link-local*
Which two parts are components of an IPv4 address?
network portion *host portion*
A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?
predictable static IP addresses for easier identification*
Which two ICMP messages are used by both IPv4 and IPv6 protocols?
route redirection *protocol unreachable*
When an IPv6 enabled host needs to discover the MAC address of an intended IPv6 destination, which destination address is used by the source host in the NS message?
solicited-node multicast address
Which two things can be determined by using the ping command?
the average time it takes a packet to reach the destination and for the response to return to the source *whether or not the destination device is reachable through the network*
Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures?
tunneling
When will a router drop a traceroute packet?
when the value in the TTL field reaches zero
