Cisco Discovery - DsmbISP Module 9

Transcription

CCNA Cicsco Netacad V4.0 (Discovery - DsmbISP Chapter 9 Final Exam en)
Page 1 of 17
Cisco Discovery - DsmbISP Module 9
Selectionner un langage :
Français
Exam mode :
Yes
(Change the color of the site,
white writing on black bottom).
Useful links :
Netacad Site
Download Packet Tracer 5
Back to home page
Questionnaire DsmbISP Chapter 8
Questionnaire DRSEnt Chapter 1
Q.1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card inform
FTPS
HTTP
HTTPS
WEP2
TFTP
http://www.gradarom.com/cisco/index.php?lang=en&module=DsmbISP_Chapter_9_Final... 6/20/2010
Page 2 of 17
Q.2. Refer to the exhibit. A new branch office has been added to the corporate network and anew router is to be installed
the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router ?
branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc
branch_23(config-if)# encapsulation ppp
Q.3 Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plai
Router(config)# enable secret cisco
Router(config)# enable cisco
Router(config)# encryption-password all
Router(config)# enable login encrypted
Router(config)# enable password encryption
Router(config)# service password-encryption
Q.4 A new network is to be configured on a router. Which of the following tasks must be completed to configure this inter
Select the routing protocol to be configured.
Assign an IP address and subnet mask to the interface
Update the ip host configuration information with the device name and new interface IP address.
Configure the routing protocol with the new network IP address.
Configure the routing protocol with the new interface IP address and subnet mask.
Configure the routing protocol in use on all other enterprise routers with the new network information.
Q.5 How does TCP ensure the reliable transfer of data ?
If data segments are not received from the source, the destination requests that the segments be resent.
Page 3 of 17
If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of
TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received
The TCP Protocol Interpreter process verifies the transmitted data at source and destination.
Q.6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The I
task ?
routable translation
dynamic translation
static translation
port address translation
Q.7 What is the most commonly used exterior routing protocol ?
BGP
RIP
OSPF
EIGRP
Q.8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the
Router# ip hostname Boise
Router# enable hostname Boise
Router(config-line)# name Boise
Router(config)# hostname Boise
Router(config)# ip hostname Boise
Q.9 Why are port numbers included in the TCP header of a segment ?
to indicate the correct router interface that should be used to forward a segment
to identify which switch ports should receive or forward the segment
to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application
to allow the receiving host to assemble the packet in the proper order
Q.10 What is the purpose of the routing process ?
Page 4 of 17
to encapsulate data that is used to communicate across a network
to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses
Q.11 Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)
The debug ip rip command displays RIP routing activity in real time.
The debug ip rip command can be issued at the user EXEC configuration mode.
The debug ip rip command displays a combination of the information that is displayed by the show ip route
Because of router processor usage, the debug ip rip command should be used only when necessary.
The debug ip rip command should be used instead of the show ip route command whenever possible.
Q.12 What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choos
DNS server
WINS server
IP address
NetBIOS
subnet mask
default gateway
Q.13 A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch tha
front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED ?
The switch has no configuration file in NVRAM.
The switch has failed POST and must be sent for service.
The switch is functioning properly.
The switch is in half-duplex mode.
Q.14 Refer to the exhibit. Which combination of cables and symbols is correct ?
Page 5 of 17
A - crossover, B - straight-through, C - straight-through
A - crossover, B - rollover, C - straight-through
A - straight-through, B - crossover, C - straight-through
A - straight-through, B - straight-through, C - straight-through
A - straight-through, B - straight-through, C - crossover
A - rollover, B - straight-through, C - straight-through
Q.15 After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician
model is the problem most likely occurring ?
transport
network
data link
physical
Q.16 What are three characteristics of the TCP protocol ? (Choose three.)
exchanges datagrams unreliably
is used to send IP error messages
forces the retransmission of unacknowledged packets
creates a virtual session between end-user applications
carries the IP address of the destination host in the TCP header
is responsible for breaking messages into segments and reassembling them at their destination
Q.17 Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dyn
192.168.16.64/28 subnetworks ?
with BGP
with a static route
with a directly connected route
with an interior routing protocol
Page 6 of 17
Q.18 Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1 ?
rollover
console
crossover
straight-through
Q.19 When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone num
connection is in use ?
leased line
packet switched
circuit switched
point-to-point
Q.20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troub
PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do
Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
Verify the IP address, subnet, and gateway settings using ipconfig on the PC.
Connect to the user home router to check firewall settings for blocked TCP ports.
Q.21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events w
The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
Workstation A will send an ICMP echo request message to workstation B.
Workstation B will send an ICMP echo reply message to workstation A.
Q.22 How does a router know of paths to destination networks? (Choose two.)
Page 7 of 17
inspection of the destination IP address in data packets
ARP requests from connected routers
manual configuration of routes
updates from other routers
DHCP information broadcasts
updates from the SMTP management information base
Q.23 Refer to the exhibit. Which two statements describe the data conversation shown ? (Choose two.)
The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client.
The user started the data conversation by sending an e-mail.
The IP address of the Internet server is 192.168.17.43.
The Internet server will send data to port 8547 on the client.
Q.24 What is one purpose of the TCP three-way handshake ?
sending echo requests from the source to the destination host to establish the presence of the destination
determining the IP address of the destination host in preparation for data transfer
requesting the destination to transfer a binary file to the source
synchronizing sequence numbers between source and destination in preparation for data transfer
Q.25 Which type of address is 192.168.17.111/28 ?
host address
network address
broadcast address
multicast address
Q.26 A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician
technician suspect is the problem ?
misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
Page 8 of 17
wrong default gateway configured on the customer's workstation
Q.27 The show ip route command was executed on one of the routers shown in the graphic and the following output was
C
R
R
R
C
192.168.4.0/24 is directly connected, Serial0/0
192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
192.168.2.0/24[120/2] via 192.168.3.1, 00:00:20, Serial0/1
192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed ?
A
B
C
D
Q.28 Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on
ALSwitch(config)# interface vlan 1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# login
ALSwitch(config)# line vty 0 4
ALSwitch(config-line)# password cisco
ALSwitch(config-line)# login
ALSwitch(config)# line vty 0 15
ALSwitch(config)# enable secret class
ALSwitch(config)# enable password cisco
ALSwitch(config)# interface fa0/1
ALSwitch(config-if)# password cisco
ALSwitch(config-if)# no shutdown
ALSwitch(config)# line cons 0
Page 9 of 17
Q.29 A user reports being able to access the Internet but not being able to download e-mail from the mail server at the IS
the POP3 and SMTP server settings in the e-mail application
the patch cable connections at the back of the workstation and at the wall plate
the DHCP settings in the operating system
the IP address, mask, and default gateway values
the NIC drivers
Q.30 Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is des
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
Q.31 Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)
255.255.255.240
255.255.192.0
255.255.0.0
255.192.0.0
240.0.0.0
255.0.0.0
Page 10 of 17
Q.32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts th
RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the
RTA(config)# ip route 255.255.255.252 10.16.10.6
RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6
RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6
RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
Q.33 How do port filtering and access lists help provide network security ?
They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.
Q.34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best
Page 11 of 17
STP
UTP
coaxial
fiber optic
Q.35 What is used by a routing protocol to determine the best path to include in the routing table ?
Convergence time
Default distance
Metric
Type of router
Q.36 Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram ? (Choose two.)
192.168.65.31
192.168.65.32
192.168.65.35
192.168.65.60
192.168.65.63
192.168.65.64
Page 12 of 17
Q.37 Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts
255.255.0.0
255.255.224.0
255.255.255.0
255.255.255.224
255.255.255.240
255.255.255.248
Q.38 Which two protocols allow network devices to report their status and events to a centralized network management d
Syslog
Telnet
HTTP
HTTPS
SNMP
Q.39 What is true regarding the differences between NAT and PAT ?
PAT uses the word "overload" at the end of the access-list statement to share a single registered address.
Static NAT allows an unregistered address to map to multiple registered addresses.
Dynamic NAT allows hosts to receive the same global address each time external access is required.
PAT uses unique source port numbers to distinguish between translations.
Page 13 of 17
Q.40 Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, wh
The router is connected to a router named Boise.
Router RTB is connected to a Cisco 1841 router.
Router RTB is directly connected to two other routers.
The IP address of the router interface connected to router RTB is 192.168.2.6.
The RTB router is connected to two Cisco devices by Fast Ethernet links.
Page 14 of 17
Q.41 Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP netw
A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attache
What will fix this problem ?
The ISP must be configured to forward packets from the 192.168.1.0 network.
The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address.
The ip route command should be removed from the RTB router configuration.
Q.42 A network technician is using anetwork management station to gather data about the performance of devices and lin
SNMP
FTP
DHCP
SMTP
Q.43 What are two purposes of DNS ? (Choose two.)
to dynamically assign IP addressing information to network hosts
to simplify the administration of host and default gateway addressing on client computers
to assign TCP port numbers to hosts as part of the data transfer process
to resolve human-readable domain names to numeric IP addresses
to replace the static HOSTS file with a more practical dynamic system
Q.44 A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A netwo
the packet from entering the inside network. Which security measure protected the network ?
an IDS
an IPS
a host-based firewall
Anti-X software
Q.45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a
Page 15 of 17
30
256
2046
2048
4094
4096
Q.46 In an IPv4 environment, what information is used by the router to forward data packets from one interface of a rout
destination network address
source network address
source MAC address
well known port destination address
Q.47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and pro
needs ?
Sonet
T3
dialup
DSL
leased line
Q.48 The command copy tftp running-config has been entered on the router. What will this command do ?
copy the configuration in RAM to a server
copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM
Q.49 Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA
administrator use to accomplish this task ? (Choose two.)
Page 16 of 17
RTB# ipaddress 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
RTB(config-if)# no shutdown
RTB(config-if)# ip address 192.168.102.97 255.255.255.252
Q.50 Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this comm
to map the path to 192.168.1.7
to test reachability to 192.168.1.7
to locate connectivity problems along the route to 192.168.1.7
to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7
to measure the time that packets take to reach 192.168.1.7 and return to the technician's workstation
Questionnaire DsmbISP Chapter 8
Questionnaire DRSEnt Chapter 1
Donation
Offer to GradARom a be
our collection o
Please, donated a 1€ mimimum or equivalent in your currency,
Thank you.
Euro (€)
Pour accéder à ce
obtenir votre code, veu
drapeau de votre pays
Payer par carte
Saisissez votre
Page 17 of 17
Conversion of 1 € in foreign currency :
- Contact - Forum - Init tool - Cisco CCNA 4 GradARom Tous droits réservés. Design par Gradius329, Programmé par @lex666.
Cisco et le logo sont la propriété de Cisco

Cisco Discovery - DsmbISP Module 9

Transcription

Documents pareils

important! ¡importante!

Understanding Cisco Business Value Analysis

Building Cisco Service Provider Next

Jeux De Casinos Gratuit Machines A Sous 0 Slot Machines A Sous

CCNA 1 Chapter 5 V4.0 Answers 2011

Red Lion RAM-6021 Wired Routers Quick Start Manual

Kunci CCNA 4 Chapter 1

Cisco RV180 VPN Router

CCNA2 v3[1].1scope_sequence

MS Word Template_102504