11-13 Networking Final

A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this ping command? a) to obtain a dynamic IP address from the server b) to test that the host has the capability to reach hosts on other networks c) to request that gateway forward the connection request to the file server d) to resolve the domain name of the file server to its IP address

b) to test that the host has the capability to reach hosts on other networks

A network administrator can successfully ping the server at www.cisco.com, but cannot ping the company web server located at an ISP in another city. Which tool or command would help identify the specific router where the packet was lost or delayed? a) ipconfig b) traceroute c) telnet d) netstat

b) traceroute

A network administrator is testing network connectivity by issuing the ping command on a router. Which symbol will be displayed to indicate that a time expired during the wait for an ICMP echo reply message? a) $ b) ! c) . d) U

c) .

What is the recommended prefix length for most IPv6 subnets? a) /32 b) /48 c) /64 d) /128

c) /64

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. What is the network address of Host-A? a) 10.0.0.0 b) 10.5.0.0 c) 10.5.4.0 d) 10.5.4.100

c) 10.5.4.0

Host-A has the IPv4 address and subnet mask 192.168.1.50 255.255.255.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 192.168.0.1 b) 192.168.0.100 c) 192.168.1.1 d) 192.168.1.100 e) 192.168.2.1

c) 192.168.1.1 & d) 192.168.1.100

What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234? a) 2001:DB8:0:AB:0:1234 b) 2001:DB8::AB00::1234 c) 2001:DB8:0:AB00::1234 d) 2001:DB8:0:AB::1234

c) 2001:DB8:0:AB00::1234

What is the most compressed representation of the IPv6 address 2001:0db8:0000:abcd:0000:0000:0000:0001? a) 2001:0db8:0000:abcd::1 b) 2001:db8::abcd:0:1 c) 2001:db8:0:abcd::1 d) 2001:0db8:abcd::0001 e) 2001:0db8:abcd::1

c) 2001:db8:0:abcd::1

Given a /32 Global Routing Prefix and a /64 prefix, how many bits would be allocated for the Subnet ID? a) 8 b) 16 c) 32 d) 48 e) 64

c) 32

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask? a) 254 b) 192 c) 62 d) 64 e) 190

c) 62

What field content is used by ICMPv6 to determine that a packet has expired? a) Time Exceeded field b) TTL field c) Hop Limit field d) CRC field

c) Hop Limit field

Which protocol is used by IPv4 and IPv6 to provide error messaging? a) ARP b) DHCP c) ICMP d) NDP

c) ICMP

What is the purpose of the command ping ::1? a) It tests the reachability of the default gateway for the network. b) It tests the broadcast capability of all hosts on the subnet. c) It tests the internal configuration of an IPv6 host. d) It tests the multicast connectivity to all hosts on the subnet.

c) It tests the internal configuration of an IPv6 host.

Which dynamic addressing method for GUAs is the one where devices rely solely on a DHCPv6 server for their addressing information? a) Method 1: SLAAC b) Method 2: SLAAC and stateless DHCPv6 c) Method 3: Stateful DHCPv6

c) Method 3: Stateful DHCPv6

Which organization or group of organizations receives IP addresses from IANA and is responsible for allocating these addresses to ISPs and some organizations? a)IETF b) IEEE c) RIRs d) Tier 1 ISPs

c) RIRs

What message is sent by a host to check the uniqueness of an IPv6 address before using that address? a) echo request b) ARP request c) neighbor solicitation d) router solicitation

c) neighbor solicitation

What is the prefix associated with the IPv6 address 2001:DB8:D15:EA:CC44::1/64? a) 2001:DB8::/64​ b) 2001:DB8:D15:EA:CC44::/64​ c) 2001::/64 d) 2001:DB8:D15:EA::/64​

d) 2001:DB8:D15:EA::/64​

Which subnet mask would be used if 5 host bits are available? a) 255.255.255.240 b) 255.255.255.128 c) 255.255.255.0 d) 255.255.255.224​

d) 255.255.255.224​

What are the two methods a device can use to generate its own IPv6 interface ID? a) SLAAC b) stateless DHCPv6 c) stateful DHCPv6 d) EUI-64 e) randomly generated

d) EUI-64 & e) randomly generated

Which IPv6 network prefix is only intended for local links and can not be routed? a) FF00::/12 b) 2001::/3 c) FC00::/7 d) FE80::/10

d) FE80::/10

What is indicated by a successful ping to the ::1 IPv6 address? a) All hosts on the local link are available. b) The default gateway address is correctly configured. c) The link-local address is correctly configured. d) IP is properly installed on the host. e) The host is cabled properly.

d) IP is properly installed on the host.

Which type of IPv6 unicast address is not routable between networks? a) unique local address b) GUA c) embedded IPv4 address d) LLA

d) LLA

Which type of ICMPv6 message would a host send to acquire an IPv6 configuration when booting up? a) Neighbor Advertisement (NA) message b) Neighbor Solicitation (NS) message c) Router Advertisement (RA) message d) Router Solicitation (RS) message

d) Router Solicitation (RS) message

Which field in an IPv6 GUA is used for subnetting? a) Prefix b) Network c) Global Routing Prefix d) Subnet ID e) Interface ID

d) Subnet ID

Which address type is not supported in IPv6? a) private b) multicast c) unicast d) broadcast

d) broadcast

What is the most important motivating factor for moving to IPv6? a) better performance with IPv6 b) IPv6 addresses that are easier to work with c) better security with IPv6 d) depletion of IPv4 addresses

d) depletion of IPv4 addresses

Which type of IPv6 address is not routable and used only for communication on a single subnet? a) unspecified address b) unique local address c) loopback address d) link-local address e) global unicast address

d) link-local address

What is the purpose of the subnet mask in conjunction with an IP address? a) to uniquely identify a host on a network b) to mask the IP address to outsiders c) to identify whether the address is public or private d) to determine the subnet to which the host belongs

d) to determine the subnet to which the host belongs

What is the minimum configuration for a router interface that is enabled for IPv6? a) to have both an IPv4 and an IPv6 address b) to have a self-generated loopback address c) to have both a link-local and a global unicast IPv6 address d) to have a link-local IPv6 address

d) to have a link-local IPv6 address

A technician is troubleshooting a network where it is suspected that a defective node in the network path is causing packets to be dropped. The technician only has the IP address of the end point device and does not have any details of the intermediate devices. What command can the technician use to identify the faulty node? a) ipconfig /flushdns b) ipconfig /displaydns c) ping d) tracert

d) tracert

A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created? a) 1 b) 16 c) 64 d) 2 e) 8 f) 4

f) 4

What is the prefix length notation for the subnet mask 255.255.255.224? a) /27 b) /25 c) /26 d) /28

a) /27

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 10.5.4.1 b) 10.5.0.1 c) 10.5.4.99 d) 10.0.0.98 e) 10.5.100.4

a) 10.5.4.1 & c) 10.5.4.99

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

a) 14

Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) a) 172.16.4.99 b) 172.16.0.1 c) 172.17.4.99 d) 172.17.4.1 e) 172.18.4.1

a) 172.16.4.99 & b) 172.16.0.1

What is the network address for the IPv6 address 2001:DB8:AA04:B5::1/64? a) 2001:DB8:AA04:B5::/64​ b) 2001::/64 c) 2001:DB8::/64​ d) 2001:DB8:AA04::/64​

a) 2001:DB8:AA04:B5::/64​

What is the interface ID of the IPv6 address 2001:DB8::1000:A9CD:47FF:FE57:FE94/64? a) A9CD:47FF:FE57:FE94 b) 1000:A9CD:47FF:FE57:FE94 c) FE94 d) FE57:FE94 e) 47FF:FE57:FE94

a) A9CD:47FF:FE57:FE94

Which two types of ICMP messages are common to both ICMPv4 and ICMPv6? (Choose two.) a) Destination or Service Unreachable b) Hostname resolution c) IP configuration d) Source Unreachable e) Time exceeded

a) Destination or Service Unreachable & e) Time exceeded

Which dynamic addressing method for GUAs is the one where devices rely solely on the contents of the RA message for their addressing information? a) Method 1: SLAAC b) Method 2: SLAAC and stateless DHCPv6 c) Method 3: Stateful DHCPv6

a) Method 1: SLAAC

Which two statements are correct about private IPv4 addresses? (Choose two.) a) Private IPv4 addresses are assigned to devices within an organization's intranet (internal network). b) Internet routers will typically forward any packet with a destination address that is a private IPv4 address. c) 172.99.1.1 is a private IPv4 address. d) Any organization (home, school, office, company) can use the 10.0.0.0/8 address.

a) Private IPv4 addresses are assigned to devices within an organization's intranet (internal network). & d) Any organization (home, school, office, company) can use the 10.0.0.0/8 address.

A user calls to report that a PC cannot access the internet. The network technician asks the user to issue the command ping 127.0.0.1 in a command prompt window. The user reports that the result is four positive replies. What conclusion can be drawn based on this connectivity test? a) The TCP/IP implementation is functional. b) The IP address obtained from the DHCP server is correct. c) The PC can access the Internet. However, the web browser may not work. d) The PC can access the network. The problem exists beyond the local network.

a) The TCP/IP implementation is functional.

Which two things can be determined by using the ping command? (Choose two.) a) The average time it takes a packet to reach the destination and for the response to return to the source b) The average time it takes each router in the path between source and destination to respond c) The number of routers between the source and destination device d) The IP address of the router nearest the destination device e) The destination device is reachable through the network

a) The average time it takes a packet to reach the destination and for the response to return to the source & e) The destination device is reachable through the network

Which statement is true about variable-length subnet masking? a) The size of each subnet may be different, depending on requirements. b) Bits are returned, rather than borrowed, to create additional subnets. c) Each subnet is the same size. d) Subnets may only be subnetted one additional time.

a) The size of each subnet may be different, depending on requirements.

True or False? IPv6 was designed with subnetting in mind. a) True b) False

a) True

What are three parts of an IPv6 global unicast address? (Choose three.) a) an interface ID that is used to identify the local host on the network b) a global routing prefix that is used to identify the portion of the network address provided by a local administrator c) a subnet ID that is used to identify networks inside of the local enterprise site d) an interface ID that is used to identify the local network for a particular host e) a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP

a) an interface ID that is used to identify the local host on the network & c) a subnet ID that is used to identify networks inside of the local enterprise site & e) a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP

Which of the following techniques use native IPv6 connectivity? a) dual stack b) tunneling c) translation d) all of the above

a) dual stack

Which part of a GUA is assigned by the ISP? a) global routing prefix b) global routing prefix and subnet ID c) prefix d) RIR prefix

a) global routing prefix

What does the IP address 172.17.4.250/24 represent? a) host address b) network address c) broadcast address d) multicast address

a) host address

At a minimum, which address is required on IPv6-enabled interfaces? a) link-local b) site local c) global unicast d) unique local

a) link-local

Which command can be used to test connectivity between two devices using echo request and echo reply messages? a) ping b) ICMP c) ipconfig d) netstat

a) ping

Which utility uses the Internet Control Messaging Protocol (ICMP)? a) ping b) DNS c) NTP d) RIP

a) ping

Which two situations are the result of excessive broadcast traffic? (Choose two) a) slow network operations b) slow device operations c) when devices on all adjacent networks are affected d) when the router has to forward an excessive number of packets

a) slow network operations & b) slow device operations

Which ICMP message is used by the traceroute utility during the process of finding the path between two end hosts? a) time exceeded b) redirect c) ping d) destination unreachable

a) time exceeded

Given a /48 Global Routing Prefix and a /64 prefix, what is the subnet portion of the following address: 2001:db8:cafe:1111:2222:3333:4444:5555 a) café b) 1111 c) 2222 d) 3333 e) 4444

b) 1111

Your organization is issued the IPv6 prefix of 2001:db8:130f::/48 by your service provider. With this prefix, how many bits are available for your organization to create /64 subnetworks if interface ID bits are not borrowed? a) 80 b) 16 c) 8 d) 128

b) 16

Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. What is the network address of Host-A? a) 172.0.0.0 b) 172.16.0.0 c) 172.16.4.0 d) 172.16.4.100

b) 172.16.0.0

What subnet mask is represented by the slash notation /20? a) 255.255.224.0 b) 255.255.240.0 c) 255.255.255.248 d) 255.255.255.0 e) 255.255.255.192

b) 255.255.240.0

Which subnet mask would be used if exactly 4 host bits are available? a) 255.255.255.128 b) 255.255.255.240 c) 255.255.255.224 d) 255.255.255.248

b) 255.255.255.240

A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.224. How many usable host addresses will this subnet provide?​ a) 6 b) 30 c) 62 d) 14 e) 2

b) 30

How many usable IP addresses are available on the 192.168.1.0/27 network? a) 32 b) 30 c) 256 d) 254 e) 62 f) 16

b) 30

If a network device has a mask of /26, how many IP addresses are available for hosts on this network? a) 16 b) 62 c) 30 d) 32 e) 14 f) 64

b) 62

True or False: 4 out of 5 RIRs no longer have enough IPv4 addresses to allocate to customers on a regular basis. a) True b) False

b) False

True or false? RA messages are sent to all IPv6 routers by hosts requesting addressing information. a) True b) False

b) False

True or false? The Subnet ID field in an GUA must borrow bits from the interface ID. a) True b) False

b) False

Which protocol provides feedback from the destination host to the source host about errors in packet delivery? a) BOOTP b) ICMP c) DNS d) ARP

b) ICMP

What type of IPv6 address begins with fe80? a) GUA b) LLA c) multicast address d) None. An IPv6 address must begin with 2001.

b) LLA

Which dynamic addressing method for GUAs is the one where devices get their IPv6 configuration in a RA message and request DNS information from a DHCPv6 server? a) Method 1: SLAAC b) Method 2: SLAAC and stateless DHCPv6 c) Method 3: Stateful DHCPv6

b) Method 2: SLAAC and stateless DHCPv6

What is a function of the tracert command that differs from the ping command when they are used on a workstation? a) The tracert command reaches the destination faster. b) The tracert command shows the information of routers in the path. c) The tracert command sends one ICMP message to each hop in the path. d) The tracert command is used to test the connectivity between two devices.

b) The tracert command shows the information of routers in the path.

Which two statements are correct about public IPv4 addresses? (Choose two.) a) Public IPv4 addresses are allowed to be assigned to devices within an organization's intranet (internal network). b) To access a device over the internet, the destination IPv4 address must be a public address. c) 192.168.1.10 is a public IPv4 address. d) Public IPv4 address exhaustion is a reason why there are private IPv4 addresses and why organizations are transitioning to IPv6.

b) To access a device over the internet, the destination IPv4 address must be a public address. & d) Public IPv4 address exhaustion is a reason why there are private IPv4 addresses and why organizations are transitioning to IPv6.

What type of address is automatically assigned to an interface when IPv6 is enabled on that interface? a) global unicast b) link-local c) unique local d) loopback

b) link-local

Which two parts are components of an IPv4 address? (Choose two.) a) physical portion b) network portion c) broadcast portion d) subnet portion e) host portion f) logical portion

b) network portion & e) host portion

Which devices will not forward an IPv4 broadcast packet by default? a) Ethernet switch b) router c) Windows PC d) None of the above. All devices forward IPv4 broadcast packets by default.

b) router

Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask? a) to identify faulty frames b) to identify the network address of the destination network c) to identify the host address of the destination host d) to identify the broadcast address of the destination network

b) to identify the network address of the destination network