Bài tập quản trị mạng IPaddessing-iPMAC
Trang 1IP addressing and Subnetting
Q1 The following exhibit shows the CiscoSystem.com WAN Study it carefully:
What are the broadcast addresses of the subnets in the CiscoSystem network? (Select three options.)
A 255.255.255.128
B 255.255.255.192
C 255.255.255.224
Trang 2Which network mask should you use?
Which two numbers must Rutger provide? (Select two options)
on the subnet Which of the following IP addresses would you use? (Choose three.)
A 1 network with 254 hosts
B 4 networks with 128 hosts
C 2 networks with 24 hosts
D 6 networks with 64 hosts
E 8 networks with 36 hosts
Q7 You have subnetted the 213.105.72.0 network with a /28 mask How many usable subnetworks and usable host addresses per subnet will be provided?
A 2 networks with 62 hosts
Trang 3B 6 networks with 30 hosts
C 16 networks and 16 hosts
D 62 networks and 2 hosts
E 14 networks and 14 hosts
Q8 You are a network technician at CiscoSystem, Inc You have subnetted the 201.105.13.0 network with a /26 mask How many usable subnetworks and usable host addresses per subnet will be provided?
A 4 networks with 64 hosts
B 64 networks and 4 hosts
C 2 networks and 62 hosts
D 62 networks and 2 hosts
E 6 network and 30 hosts
Q9 You are a network technician at CiscoSystem, Inc You are planning a network installation for the company The design requires 100 separate subnetworks, resulting in the acquisition of a Class B network address Which of the following subnet masks will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?
Which network mask should you use?
Q11 Which of the following addresses can be assigned to network hosts when given
a subnet mask of 255.255.255.224? (choose 5 answer)
Trang 4Q12 You are a network technician at CiscoSystem, Inc You must assign static IP addresses to the servers in the CiscoSystem network For network 192.168.20.24/29 the router is assigned the first usable host address while the sales server is given the last usable host address
Which of the following should be entered into the IP properties box for the sales server?
A IP address: 192.168.20.32 Subnet Mask 255.255.255.240
Match the hex and decimal numbers on the left with the corresponding binary
number on the right
Please note: Not all options apply
Q14 You are a network technician at CiscoSystem Your trainee asks you what
11111000 binary is in decimal What would your reply be?
E 256
Q15 Which of the following addresses can be assigned to network hosts when given
a subnet mask of 255.255.255.224? (Select four options.)
Trang 5
Hosts in the CiscoSystem sales department cannot get access to a new server at the Branch Office Consider the IP addressing scheme in the exhibit to determine the problem
A The default gateway in the sales department is inaccurate
B The serial 0 interface on the Main Office router and the serial 1 interface on the
Branch Office router are not compatible
C The subnet mask of the workstations in the sales department is inaccurate
D The host address of the server at the Branch Office is invalid
E The default gateway of the server at the Branch Office is inaccurate
Q17 You are a network technician at CiscoSystem, Inc CiscoSystem has a Class B network with a subnet mask of 255.255.255.0 Which of the following statements is true regarding this network? (Choose two.)
A There are 254 usable subnets
B There are 256 usable hosts per subnet
C There are 50 usable subnets
D There are 254 usable hosts per subnet
E There are 24 usable hosts per subnet
F There is one usable network
Q18 You are a network technician at CiscoSystem, Inc Your trainee wants to know which of the following is the range of binary values for the first octet in Class B addresses
What would your response be?
A 10000000-11101111
B 11000000-11101111
Trang 6What should be the IP address of the host?
Trang 7A IP address if the TFTP server not correct
B Incorrect subnet mask of the TFTP server
C Default gateway of the TFTP server not properly set
D Subnet mask on the Lisbon router not correct
E Incorrect IP address configured on E0 of the Gibraltar router
Q24 Study the Exhibit below carefully:
Using the information in the exhibit above, which of the following command lines would configure the serial0 port on the CiscoSystem2 router with the least usable host address in the 192.168.32.32 subnet correctly?
A CiscoSystem2(config-if)# ip address 192.216.32.63 255.255.255.248
B CiscoSystem2(config-if)# ip address 192.216.32.38 255.255.255.240
C CiscoSystem2(config-if)# ip address 192.216.32.39 255.255.255.248
D CiscoSystem2(config-if)# ip address 192.216.32.63 255.255.255.248 no shut
E CiscoSystem2(config-if)# ip address 192.216.32.39 255.255.255.248 no shut
Trang 8A Address C is a public Class C address
B Address C is an exclusive Class C address
C Address B is a public Class B address
D Address A is a public Class A address
E Address B is a private Class B address
F Address A is an exclusive Class A address
Q26 You were told to block all traffic from an entire subnet with a standard access control list by your boss What IP address and wildcard mask should you use in the access control list to block all hosts from the subnet on which the host 192.168.16.43/28 resides?
Which of the following addresses can be assigned to hosts on the resulting subnets? (Select three options.)
Q28 You work as a network administrator for CiscoSystem You must design an
IP addressing scheme to support the company’s network that will provide for a maximum of 300 sub-networks and a minimum of 50 host addresses per subnet Which of the following subnet masks will enable you to support an appropriate addressing scheme given the fact that you work with only one Class B address (Select two options.)
A 255.255.255.0
B 255.255.255.192
C 255.255.248.0
Trang 9D 255.255.252.0
E 255.255.255.128
F 255.255.255.224
Q29 Which of the following network masks would you use to reduce any wastage
of IP addresses in point-topoint WAN links on a network that supports VLSM?
What would your reply be?
Trang 10Q33 You are the newly appointed CiscoSystem trainee Your supervisor tells you that the IP address for your workstation is 172.16.209.10/22 He wants to know what the subnetwork number of your workstation is
What will your reply be?
As technician at Cisco.com you are required to provide the subnetwork address for
a host with the IP address 201.100.5.68/28
As technician at Cisco.com you are required to provide the subnetwork number for
a host with the IP address 172.16.210.0/22
A 172.16.42.0
B 172.16.107.0
Trang 11Encapsulation HDLC, loopback not set
Keepalive set ( 10 sec )
Cisco2#sh int s1 Serial0 is up, line protocol is up Hardware is HD64570
Internet address is 192.168.11.2/24 MTU 1500 bytes, BW 56000 Kbit Reliability 255/255
Encapsulation HDLC, loopback not set Keepalive set ( 10 sec )
Dr Sandra King works as a network administrator at Cisco.com She manages two routers named Cisco1 and Cisco2 These two routers are connected by their serial interfaces as illustrated in the network topology exhibit, but there is no connectivity between them The Cisco1 router is known to have a correct configuration Given the Partial configurations, Mrs King is required to identify the problem on the Cisco router that is causing the lack of connectivity (Select all that apply.)
A Transmission Unit size too large
B No loopback set
C an incorrect subnet mask
D incompatible encapsulation at each end
Trang 12With regard to the IP addressing information in the exhibit, which interface will Router B use to forward an IP datagram to a host with an IP address of
What protocol allows you to accomplish this?
A Router(config)# ip classless
Trang 13network and at the same time converse unused addresses for future growth Being mindful of these goals, drag the host addresses on the left to the correct router interface One of the routers is partially configured Not all of the host addresses on the left will be used
You are the network administrator at Cisco Cisco uses the network address
210.10.2.0 You want to subnet this network with a /28 mask
How many usable subnetworks and host addresses per subnet will this subnet mask provide?
A 30 networks and 6 hosts
B 6 networks and 30 hosts
C 8 networks and 32 hosts
D 32 networks and 18 hosts
Trang 14E 14 networks and 14 hosts
Q46
You are the network administrator at Cisco Cisco has been assigned the IP address 189.66.1.0 by its Internet Service Provider Your newly appointed Cisco trainee wants to know how many hosts will be supported on each subnet if you divide the network by using the 255.255.255.224 subnet mask
What would your reply be?
Which set of commands will you issue?
A Cisco1(config-if)# clear ip address 190.160.45.31 255.255.255.240
Trang 15subnetworks this address provides, and how many hosts can be supported on each subnet
What would your reply be? (Choose all that apply.)
A One network with 254 hosts
B 254 networks with 254 hosts per network
C 65,534 networks with 255 hosts per network
D 30 networks with 64 hosts per network
E 254 networks with 65,534 per network
Q50
After the router interfaces shown in the diagram have been configured, it is
discovered that hosts in the Branch LAN cannot access the Internet
Further testing reveals additional connectivity issues
What will fix this problem?
A Change the address of the Branch router LAN interface
B Change the address of the Branch router WAN interface
C Change the subnet mask of the HQ router LAN interface
D Change the address of the HQ router LAN interface
E Change the address of the HQ router interface to the Internet
F Change the subnet mask of the HQ router interface to the Internet
Q51
You work as network administrator at Cisco Your non-Cisco certified assistant has been working on Router Cisco1 He incorrectly configured the router interface with a subnet broadcast address You want to remove the incorrect IP address and replace it with the first usable IP address for the same subnet
Which set of commands will you issue?
A Cisco1(config-if)# clear ip address 190.160.45.31 255.255.255.240
Cisco1(config-if)# ip address 190.160.45.17 255.255.255.240
B Cisco1(config-if)# no ip address 190.160.45.23 255.255.255.252
Trang 16Consider the 192.1.1.0/24 network in the exhibit This network uses RIP v2
Which combination of subnetwork assignments will satisfy the requirements for networks A, B, and C of this design (Select three.)
Trang 17Refer to the graphic
Which IP address should be assigned to the host?
Trang 18Your Cisco trainee Bob asks you what 11111001 binary is in decimal What
should you tell him?
A It corresponds to a Class A address with 13 bits borrowed
B It corresponds to a Class B address with 4 bits borrowed
C The network address of the last subnet will have 248 in the 3rd octet
Trang 19D The first 21 bits make the host portion of the address
E This subnet mask allows for 16 total subnets to be created
F The subnetwork numbers will be in multiples of 8
Q62
A router receives a packet on interface 172.16.45.66/26 The source IP of the packet
is 172.16.45.127/26 and the destination is 172.16.46.191/26
How will the router handle the packet?
A The destination is a host on another subnet, so the router will not forward the
packet
B The destination is a host on the same subnet, so the router will forward the packet
C The destination is a broadcast address, so the router will not forward the packet
D The destination is a network address, so the router will forward the packet
Q63
Network topology exhibit
A Cisco.com network administrator is adding host Cisco3 to the network
shown in the exhibit
Which IP address can be assigned this host on this network?
Trang 20Q64
Network topology exhibit
The Ethernet networks connect to router Cisco1 in the exhibit have been
summarized for router Cisco2 as 192.1.144.0/20 Which of the following packet destination addresses will Cisco2 forward to Cisco1, according to this
summary? Select two
Trang 21Q66
Cisco has three locations and has plans to redesign the network accordingly The networking team received 192.168.236.0 to use as the addressing for entire network from the administrator After subnetting the address, the team is ready to assign the address
The administrator plans to configure ip subnet-zero and use RIP v2 as the routing protocol As a member of the networking team, you must address the network and
at the same time converse unused addresses for future growth
Being mindful of these goals, drag the host addresses on the left to the correct router interface One of the routers is partially configured Move the mouse over a router
to view its configuration Not all of the host addresses on the left will be used
Trang 22Q67
Cisco has three locations and has plans to redesign the network accordingly The networking team received 192.168.132.0 to use as the addressing for entire network from the administrator After subnetting the address, the team is ready to assign the address
The administrator plans to configure ip subnet-zero and use RIP v2 as the routing protocol As a member of the networking team, you must address the network and
at the same time converse unused addresses for future growth
Being mindful of these goals, drag the host addresses on the left to the correct router interface One of the routers is partially configured Move the mouse over a router
to view its configuration Not all of the host addresses on the left will be used