CCNA 1 CHAPTER 8 STUDYGUIDE

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

Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.) 192.168.1.32/27

192.168.1.48

11. 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? (Choose two.) 192.168.1.16/28 192.168.1.64/27* 192.168.1.128/27

192.168.1.64/27 192.168.1.96/28

Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.) 192.168.1.64/27

192.168.1.68

What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64? 2001:DB8:BC15 2001:DB8:BC15:A 2001:DB8:BC15:A:1 2001:DB8:BC15:A:12

2001:DB8:BC15:A*

10. 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? 255.255.255.0 255.255.255.192 255.255.255.224 255.255.255.240 255.255.255.248 255.255.255.252

255.255.255.224*

Which subnet mask would be used if 5 host bits are available?

255.255.255.224​

12. 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?​ 4 6 8 10 12

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? You did it right! Correct configuration! IPv6 address configured! Successful configuration!

Correct configuration!

Which IPv6 address is most compressed for the full FE80:0:0:0:2AA:FF:FE9A:4CA3 address?? FE8::2AA:FF:FE9A:4CA3? FE80::2AA:FF:FE9A:4CA3 FE80::0:2AA:FF:FE9A:4CA3? FE80:::0:2AA:FF:FE9A:4CA3?

FE80::2AA:FF:FE9A:4CA3

Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.) IPv6 addresses are represented by hexadecimal numbers. IPv4 addresses are represented by hexadecimal numbers. IPv6 addresses are 32 bits in length. IPv4 addresses are 32 bits in length. IPv4 addresses are 128 bits in length. IPv6 addresses are 64 bits in length.

IPv6 addresses are represented by hexadecimal numbers. IPv4 addresses are 32 bits in length.

Place the options in the following order. Is this Network A, Network B, Network C, or Network D? 192.168.0.128/26

Network B

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)# ip address 192.168.1.254 255.255.255.0 Router(config-if)# no shutdown Router(config-if)# exit Router(config)# ipv6 unicast-routing 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 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# configure terminal Router(config)# interface fastethernet 0/0 Router(config-if)# ip address 2001:db8:bced:1::9/64 Router(config-if)# ip address 192.168.1.254 255.255.255.0 Router(config-if)# no shutdown

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 is a result of connecting two or more switches together?

The size of the broadcast domain is increased

Match each description with an appropriate IP address. (Not all options are used) 169.254.1.5 is what type of address? link-local TEST-NET experimental private loopback

a link-local address

Match each description with an appropriate IP address. (Not all options are used) 127.0.0.1 is what type of address? link-local TEST-NET experimental private loopback

a loopback 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 DHCP servers all IPv6 enabled nodes on the local link all IPv6 configured routers on the local link all IPv6 configured routers across the network

all IPv6 enabled nodes on the local link

Which two parts are components of an IPv4 address? (Choose two.) subnet portion network portion logical portion host portion physical portion broadcast portion

network portion host portion

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? all-node multicast address solicited-node multicast address link-local address of the receiver global unicast address of the receiver

solicited-node multicast address

Which two things can be determined by using the ping command? (Choose two.) the number of routers between the source and destination device the IP address of the router nearest the destination device 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 the average time it takes each router in the path between source and destination to respond

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

How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks? two three four five

three

Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures? encapsulation translation dual-stack tunneling

tunneling

What are two reasons a network administrator might want to create subnets? (Choose two.) simplifies network design improves network performance easier to implement security policies reduction in number of routers needed reduction in number of switches needed

improves network performance easier to implement security policies

What are two types of IPv6 unicast addresses? (Choose two.) multicast loopback link-local anycast broadcast

loopback link-local

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? random static addresses to improve security addresses from different subnets for redundancy predictable static IP addresses for easier identification dynamic addresses to reduce the probability of duplicate addresses

predictable static IP addresses for easier identification*

Which two ICMP messages are used by both IPv4 and IPv6 protocols? (Choose two.)? router solicitation route redirection neighbor solicitation protocol unreachable router advertisement

route redirection protocol unreachable

What is the prefix length notation for the subnet mask 255.255.255.224? /25 /26 /27 /28

/27

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? router 1 connected to 3 switches each switch is connected to a PC PC 1: 10.16.10.0/26 PC 2: 10.16.10.192/28 PC 3: 25 hosts 10.16.10.64/27

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? 510 512 1022 1024 2046 2048

1022*

If a network device has a mask of /28, how many IP addresses are available for hosts on this network? 256 254 62 32 16 14

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:DB8:1234:0000::/64 0000-First "0" above is the site 0000-Middle two "0's" is the sub-site 0000:-last "0" is the subnet

16

Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.) 192.168.1.96/27

192.168.1.121

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? 254 251 252 253

251

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? 254 251 252 253

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? 75 Hosts connected to a router which is connected to the main router 100 Hosts connected to a router which is connected to the main router 50 Hosts connected to a router which is connected to the main router 25 Hosts connected to a router which is connected to the main router

255.255.255.128

How many bits are in an IPv4 address? 32 64 128 256

32

Refer to the exhibit. How many broadcast domains are there? -switch 1 connected to a router -switch 2 connected to the same router -switch 3 connected to the same router -switch 4 connected to the same router 1 2 3 4

4

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? 30 hosts Network A connected to router router connected to network C connected to another router which is connected to network B-connected to router which is connected to network D which has 14 hosts 56 60 64 68 72

72

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? 4 computers connected to a switch the switch is connected to a server and another switch "LBMISS" "LBMISS" connected to the cloud "ISP"

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? The host is cabled properly. The default gateway address is correctly configured. All hosts on the local link are available. The link-local address is correctly configured. IP is properly installed on the host.

IP is properly installed on the host.

16. Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.) It eliminates most address configuration errors. It ensures that addresses are only applied to devices that require a permanent address. It guarantees that every device that needs an address will get one. It provides an address only to devices that are authorized to be connected to the network. It reduces the burden on network support staff.

It eliminates most address configuration errors. It reduces the burden on network support staff.

Place the options in the following order. Is this Network A, Network B, Network C, or Network D? 192.168.0.0 /25

Network A

Place the options in the following order. Is this Network A, Network B, Network C, or Network D? 192.168.0.192 /27

Network C

Place the options in the following order. Is this Network A, Network B, Network C, or Network D? 192.168.0.224 /30

Network D

What two statements describe characteristics of Layer 3 broadcasts? (Choose two.) Broadcasts are a threat and users must avoid using protocols that implement them. Routers create broadcast domains. Some IPv6 protocols use broadcasts. There is a broadcast domain on each switch interface. A limited broadcast packet has a destination IP address of 255.255.255.255. A router will not forward any type of Layer 3 broadcast packet.

Routers create broadcast domains. Some IPv6 protocols use broadcasts. A router will not forward any type of Layer 3 broadcast packet.

Match each description with an appropriate IP address. (Not all options are used) 192.0.2.123 is what type of address? link-local TEST-NET experimental private loopback

a TEST-NET address

Match each description with an appropriate IP address. (Not all options are used) 240.2.6.255 is what type of address? link-local TEST-NET experimental private loopback

a experimental address

What are three parts of an IPv6 global unicast address? (Choose three.) an interface ID that is used to identify the local network for a particular host 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 a global routing prefix that is used to identify the portion of the network address provided by a local administrator an interface ID that is used to identify the local host on the network

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

Match each description with an appropriate IP address. (Not all options are used) 172.19.20.5 is what type of address? link-local TEST-NET experimental private loopback

a private address

A message is sent to all hosts on a remote network. Which type of message is it? limited broadcast multicast directed broadcast unicast

directed broadcast

When will a router drop a traceroute packet? when the router receives an ICMP Time Exceeded message when the RTT value reaches zero when the host responds with an ICMP Echo Reply message when the value in the TTL field reaches zero when the values of both the Echo Request and Echo Reply messages reach zero

when the value in the TTL field reaches zero