ccna 1 practice
To send data through a network, what two flags are used to establish a session? (Choose two.) ACK CRC SYN Ack # Port # Seq #
ACK SYN
Which statement accurately describes file sharing in a peer-to-peer network? A dedicated server is required. Access control is decentralized. Files are typically stored on the most powerful peer in the network. Peers can either make requests, or respond to requests, but not both.
Access control is decentralized.
Two routers are connected via their serial ports in a lab environment. The routers are configured with valid IP addresses, but they cannot ping each other. The show interface serial0/0 command shows that the serial0/0 interface is up but the line protocol is down. What could be the cause of this problem? The no shutdown command has not been applied to the interfaces. The clock rate command has not been entered on the DCE interface. The interface timers are not cleared. The FastEthernet interface is emulating a serial interface by assigning it a timing signal.
The clock rate command has not been entered on the DCE interface.
Refer to the exhibit. Host A is unable to reach host B on the remote network. A technician attempted to ping the local gateway and the ping was successful. To verify the host configuration, the technician issued the ipconfig command. What is the likely cause of the problem? The local NIC is incorrectly configured. The subnet mask on host A is incorrectly configured. The IP address on host A is incorrectly configured. The default gateway on host A is incorrectly configured.
The default gateway on host A is incorrectly configured.
Refer to the exhibit. Communication for hosts X and Y is restricted to the local network. What is the reason for this? Host X is assigned a network address. Host Y is assigned a multicast address. Host X and host Y belong to different networks. The gateway addresses are broadcast addresses.
The gateway addresses are broadcast addresses.
Which two programs can be used to accomplish terminal emulation for configuring a router from the CLI through the console port? (Choose two.) HyperTerminal Internet Explorer Minicom Secure Shell Telnet
HyperTerminal Minicom
What happens when a node on an Ethernet network is creating a frame and it does not have the destination MAC address? The node drops the frame. The node sends out a Layer 3 broadcast message. The node sends a message directly to the router for the address. The node sends out an ARP request with the destination IP address.
The node sends out an ARP request with the destination IP address.
Refer to the exhibit. Host C is able to ping 127.0.0.1 successfully, but is unable to communicate with hosts A and B in the organization. What is the likely cause of the problem? Hosts A and B are not on the same subnet as host C. The IP addresses on the router serial interfaces are wrong. The subnet mask on host C is improperly configured. The FastEthernet interface fa0/0 of router 1 is wrongly configured.
The subnet mask on host C is improperly configured.
Refer to the exhibit. RouterB is configured properly. The Ethernet interface Fa0/0 of RouterA is configured with the use of the commands that are shown. However, a ping from the Fa0/0 interface of RouterA to the Fa0/0 interface of RouterB is unsuccessful. What action should be taken on RouterA to solve this problem? Use the description command on the FastEthernet interface Fa0/0. Configure the clock rate of the FastEthernet interface Fa0/0. Use the no shutdown command on the FastEthernet interface Fa0/0. Reboot the router.
Use the no shutdown command on the FastEthernet interface Fa0/0.
Which password would allow a user to establish a Telnet session with a Cisco device? VTY password enable password console password enable secret password
VTY password
What information can be gathered by using the command netstat? the default gateway the routing protocol active TCP connections the locally configured subnet mask
active TCP connections
Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network? address translation DHCP services ftpd web server
address translation
When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data? IP UDP Ethernet a connectionless acknowledgement an upper-layer, connection-oriented protocol or service
an upper-layer, connection-oriented protocol or service
What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.) frame delimiting data encapsulation logical addressing error detection accessing the media
data encapsulation accessing the media
A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most secure? console enable enable secret VTY
enable secret
What is the protocol data unit that is associated with the data link layer of the OSI reference model? data frame packet segment
frame
What is true regarding network layer addressing? (Choose three.) uses a flat structure prevent broadcasts heirarchical uniquely identifies each host 48 bits in length contains a network portion
heirarchical uniquely identifies each host contains a network portion
Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC address 0050.7320.D632 and the destination MAC address 0030.8517.44C4. The packet inside the captured frame has an IP source address 192.168.7.5, and the destination IP address is 192.168.219.24. At which point in the network was this packet captured? leaving host A leaving ATL leaving Dallas leaving NYC CCNA1 Final Exam 2012
leaving Dallas
Which router configuration mode would an administrator use to configure the router for SSH or Telnet login access? line router global interface privileged EXEC
line
What type of network is maintained if a server takes no dedicated role in the network? mainframe client/server peer-to-peer centralized
peer-to-peer
Which two functions of the OSI model occur at layer two? (Choose two.) physical addressing encoding routing cabling media access control
physical addressing media access control
Which identifier is contained in the header of the Layer 2 Ethernet frame? timing and synchronization of bits source and destination port numbers logical source and destination addresses physical source and destination addresses
physical source and destination addresses
What purpose does a hostname serve on a router? uniquely identifies a router on the internet used by routing protocols to identify peer routers provides device identification to users logging on remotely determines the hosts that are allowed to connect to the device
provides device identification to users logging on remotely
A network administrator is tasked with connecting two workgroups that are configured to use different subnets. Which device should be selected to allow connectivity between users on the two networks? hub switch router wireless access point
router
A routing issue has occurred in your internetwork. Which of the following type of devices should be examined to isolate this error? access point host hub router switch
router
Refer to the exhibit. Which device should be included in the network topology to provide Layer 2 connectivity for all LAN devices, provide multiple collision domains, and also provide a connection to the rest of the network? server hub switch PC
switch
Refer to the exhibit. Interface Fa0/0 on router A is generating excessive broadcast traffic. Which LAN segments will affected by the excessive broadcasts? Only the 192.168.1.200/30 network will be affected. Only the link between 192.168.1.201 and port Fa0/5 on SW1 will be affected. Both the 192.168.1.200/30 and 192.168.1.204/30 networks will be affected. Only the links between 192.168.1.201 and port Fa0/7 on SW2 will be affected.
Only the 192.168.1.200/30 network will be affected.
Which prompt is associated with the privileged exec mode? R1> R1# R1(config)# R1(config-router)#
R1#
Refer to the exhibit. Which layered network model is shown in the diagram? Cisco IETF OSI TCP/IP
TCP/IP
Which application layer protocol allows administrators to log into a server from remote locations and control a server as though logged in locally? DNS FTP DHCP SMTP Telnet
Telnet
Which of the following are the address ranges of the private IP addresses? (Choose three.) 10.0.0.0 to 10.255.255.255 200.100.50.0 to 200.100.25.255 150.150.0.0 to 150.150.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 127.16.0.0 to 127.31.255.255
10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255
An organization has been assigned network ID 10.10.128.0 and subnet mask 255.255.224.0. Which IP address range can be used for this organization? 10.10.128.0 to 10.10.160.255 10.10.128.0 to 10.10.159.255 10.10.128.0 to 10.10.192.255 10.10.128.0 to 10.10.0.159 10.10.128.0 to 10.10.159.0
10.10.128.0 to 10.10.159.255
Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational? 127.0.0.1 192.168.64.196 192.168.254.1 192.168.254.9 192.168.254.254
192.168.254.1
Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0? 255.255.0.0 255.255.254.0 255.255.252.0 255.255.248.0 255.255.240.0 255.255.255.128
255.255.248.0
Refer to the exhibit. Assume all devices are using default configurations. How many subnets are required to address the topology that is shown? 1 3 4 5 7
3
A user sees the command prompt: Router(config-if)# . What task can be performed at this mode? Reload the device. Perform basic tests. Configure individual interfaces. Configure individual terminal lines.
Configure individual interfaces.
Refer to the exhibit. Which list refers only to end devices? D,E,F,G A,H,B,C A,D,E,F A,D,E,G
D,E,F,G
A technician wishes to connect two computers to move data from one to the other before reloading the operating system. The NICs on both PCs do not support autosensing feature. Which procedure will satisfy the requirement? Interconnect the two PCs with a rollover cable. Interconnect the two PCs with two rollover cables and a hub. Interconnect the two PCs with a crossover cable. Interconnest the two PCs with two crossover cables and a hub.
Interconnect the two PCs with a crossover cable.
An administrator makes changes to the default configuration of a router and saves them to NVRAM. After testing, it is discovered that the configurations did not have the desired effect and must be removed. What steps must be taken to remove the changes and return the router to the default configuration? Reboot the router. Use no version of the commands that are issued. Issue the erase startup-config command, and then reboot the router. Issue the erase running-config command, and then reboot the router.
Issue the erase startup-config command, and then reboot the router.
How can ARP be used to help document the network? It can list each hop on the way to a destination host. It can show the average latency of hosts on the network. It can provide a list of physical addresses on the network. It can indicate which hosts are not responding to network traffic.
It can provide a list of physical addresses on the network.
Which statement identifies the DNS protocol? It transmits information using TCP port 25. It transfers and conveys information using HTML pages. It matches a resource name with the required network address. It requests and assigns an IP address, default gateway, and server addresses to hosts.
It matches a resource name with the required network address.
Which statement is true about the TTL value of an IPv4 packet? It determines the priority of a packet. It specifies the remaining "life" of the packet. It indicates that the packet has been fragmented. It denotes the data payload type that the packet is carrying.
It specifies the remaining "life" of the packet.
Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame? It will drop the frame. It will send the frame back to host A. It will send the frame to all hosts except host A. It will forward the frame to the default gateway.
It will send the frame to all hosts except host A.
Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission? application presentation session transport
transport
