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Cisco
| Question | Answer |
|---|---|
| While performing password recovery on a Cisco router, within how many seconds of power up do you need to press the Break key to put the router into ROMMON mode? | 60 seconds |
| Which 2 sets of pins are looped on an RJ-45 T1 loopback plug? | 1&4, and 2&5 |
| Which 2 sets of pins are looped on an RJ45 56K loopback plug? | 1&7, and 2&8 |
| Which command can be used to diagnose a network connectivity problem? | Ping |
| What is the default speed of a Cisco device console port | 9600 |
| Which command can be used to obtain serial numbers for router network modules? | show module |
| Which router series have a Services PerformanceEngine pre-installed? | 3900 series |
| Which memory is used during password recovery procedures to boot a Cisco router? | ROM |
| Which port types can be used in large chassis Switch ethernet modules? | GBIC, SFP, RJ45 |
| Which Catalyst Series switches are fixed interface switches? | 2960,3560,3750 |
| What information does the "show interface" command display? | encapsulation type, layer 2&3 address |
| Which type of memory stores the saved IOS image for a Cisco device? | Flash |
| Which IOS commands merge the saved configuration to the running configuration? | copy tftp run, copy start run |
| Which commands initiates copying the running configuration of a Cisco device to a TFTP server? | copy running-config tftp |
| Which command indicates the amount of memory in a Cisco device? | show version |
| What is the command to enter priviledged EXEC mode from user EXEC mode? | enable |
| What do you type at the device prompt to get a list of all available commands presented. | ?, or Help |
| Which two CLI modes do allow the running configuration to be viewed? | Global config, Privileged EXEC |
| When referring to the name 1000BaseT, what does the T stand for? | twisted pair |
| Which two of the following statements is true about a router? | divides network into separate broadcast domains, chooses the best route for your data to travel |
| What are 3 components of a LAN conenction? | Router, hub, switch |
| Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled? | Data link layer |
| What is the speed of a T1 line? | 1.544 Mbps |
| Which two pairs are used in a 100BaseT ethernet cable? | 1&2, 3&6 |
| What is true about a Supervisor Engine Module on a large chassis switch? | The switch cannot function with the Supervisor Engine Module, and orange active LED means the supervisor engine is in standby mode. |
| Which command exits the global interface configuration mode to privileged EXEC mode on a Cisco device? | end, or CTRL Z |
| Where does the Power On Self Test and bootstrap code reside in a router? | ROM |
| Which config is the active configuration of the router or switch at a given time? | running-config |
| What command can be used to verify the configuration register setting? | show version |
| User EXEC mode prompt | Router> |
| Privileged EXEC mode | Router# |
| Global Configuration Mode | Router(config)# |
| Interface config mode | Router(config-if)$ |
| What is used to logically separate wireless LANS? | Service set identifier |
| What must be on the same channel as the access point connected to the wired LAN? | wireless repeater. |
| What is a telephone interface which supplies power, provides dial tone, and generates ringing voltage? | FXS |
| What resides on High Density Voice Network Modules and combine WAN interface card and voice interface card functionality? | VWICS |
| What tools can be used be used to configure a router or switch through a dial up connection for remote administration? | rolled RJ45 console cable, DB9-RJ45 adapter, DB25 to RJ45 adapter |
| What type of Ethernet cable is used between a router and PC? | UTP crossover cable |
| What type of Ethernet cable is used between a switch and a PC? | UTP straight thru |
| What information is shown in the show ip interface brief command output? | interface type and number, status,layer 3 ip address. |
| What are 2 ways to access the Windows Firewall settings on XP SP2 or 3? | Start, CP, Windows firewall and Start,Run, cmd, Firewall.cpl |
| What transmission mode has a high potential for collisions? | Half duplex |
| What happens if you change the configuration register to 0x2142 then reset the router? | Router will boot from Flash memory without loading the startup config |
| What type of cable should be used for the Cisco device console port connection? | RJ45 rollover cable |
| From a Windows command prompt, which command displays the local IP address? | ipconfig |
| Which physcal layer standards use optical fiber for Gigabit Ethernet? | 1000 Base-LX, 1000 Base SX |
| What separates the service providers equipment from the customer's wiring and equipment? | demarcation point |
| Devices that put data on the service providers network are called? | data circuit-terminating equipment |
| The first three octets (24bit) of the class C IP address are used for? | Network ID |
| Layer 2 MAC addresses have no _? | hierarchial structure |
| What can be used to separate networks by breaking the network into multiple LAN segments called IP subnets? | Router |
| What 3 LEDs are Port Mode LEDs on a fixed interface switch? | Port status,Port speed, Port duplex |
| What network module must be installed to make a Catalyst 6500 series switch function? | Supervisor Engine module |
| What is the port speed when the color of the port speed LED is solid green? | 100 Mbps |
| What type of cable is used from a Switch to a Hub? | RJ45 crossover |
| What type of cable is used from a Router to a PC? | RJ45 crossover |
| What is the default value of the configuration register? | 0x2102 |
| What must the boot field on the router be set to for the router to enter ROMMON mode automatically? | 0 |
| What is the command to enter privilege EXEC mode from the user EXEC mode? | enable |
| What is the wiring configuration of an UTP crossover cable? | pin 1 crosses to 3, and pin 2 crosses to 6 |
| What is used for console port configuration? | line con 0 |
| The running-config file can be found in which memory? | RAM |
| Routers operate at what layer of the OSI model? | 3 |
| Switches divide a network into separate _? | Collision domains |
| What are two functions of a hub | Repeater, amplifier |
| Category 5e UTP cables can transmit data at speeds up to | 1000Mbps |
| True or false - the more twists a UTP cable has, the better category of the cable. | True |
| When using Hyperterminal over a TCP/IP netowrk uses what protocl | Telnet |
| What protocol provides terminal like access to a remote computer? | Telnet |
| What problem would cause fa 0/0 is up, line protocol is down? | encapsulation type mismatch |
| Which layer of the OSI model provides routing function? | Network layer |
| What devices might be used to connect a router to the point of presence of the service provider? | Cable modem, dsl modem, CSU/DSU |
| Which Cisco IOS command is used to enter the vty line configuration to enable telnet access? | line vty 0 4 |
| What is a high performance WAN protocol that operates at the physical and data link layers of the OSI model? | Frame Relay |
| What can provide diagnostic functions such as loopback testing? | CSU/DSU |
| Frame Relay relays packets at which layer of th e OSI model? | 2 |
| The IP address 172.16.12.4 /26 has what subnet mask? | 255.255.255.192 |
| How many wires are needed for a PC to successfully send data to another PC using an Ethernet lan cable using RJ45 connectors? | 4 |
| Which topology uses a central device for point to point connections? | star |
| What two layers of the OSI model do the TCP/IP protocols operate at? | network, and transport |
| What is the high order bit patten for a Class B network? | 10xxxxxx |
| How many layers are in the OSI model? | 7 |
| What command can be used to load a new version of Cisco IOS software onto a router? | copy tftp flash |
| What is unicast traffic? | data traffic that is sent to one device |
| What is a layer of the OSI model, but not the TCP/IP protocol stack? | presentation layer |
| What protocol routes between different autonomous systems? | EGP |
| How many TCP segments flow between two computers to establish a TCP connection? | 3 |
| What is the high order bit of a Class A network? | 01xxxxxx |
| Which layer of the OSI model provides translation of data? | presentation |
| What approach eliminates loops when multiple switches are implemented in a network? | spanning tree protocol |
| RIP and OSPF are what type of protocols? | Routing |
| How many frames can pass through a 24 port hub simultaneously, without causing a collision? | 1 |
| During path selection - what 3 metrics may be used by routing protocols? | Delay, hop count, bandwidth |
| How many frames can pass through a 24 port switch simultaneously, without causing a colision and with full duplex used on all ports? | 24 |
| How many twisted pairs of wire are typically used in a leased line between two routers? | 4 pair |
| What kind of physical interface does a router use to connect to a WAN link? | serial |
| What term describes how many bits per second the service provider commits to pass over a single PVC? | CIR |
| Ethernet Wires | 1,2,3,6 |
| Ethernet Crossover | 1&3,2&6 |
| T1 Crossover | 1&4,2&5 |
| T1 Wires | 1,2,4,5 |
| 56K | 1,2,7,8 |
| 56K loopback | 1&7,2&8 |
| OSI Level 1 | Physical |
| OSI Level 2 | Data Link |
| OSI Level 3 | Network |
| OSI Level 4 | Transport |
| OSI Level 5 | Session |
| OSI Level 6 | Presentation |
| OSI Level 7 | Application |
| Transmits bits from 1 computer to another. Defines how cable is attached to the network and what transmission technique is used | OSI Level 1 - Physical |
| Creates logical structure package for data. After sending a frame it waits for acknowledgement. | OSI Level 2 - Data link |
| Handles routing of data, adresses messages, translates logical names and addresses into physical. Also determines the route from source to destination. | OSI Level 3 - Network |
| Handles error recognition and recovery. It ensures complete data transfer. | OSI Level 4 - Transport |
| Allows applications on different computers to establish, use, and end a connection. Regulates which computer transmits, and when and how long it transmits. | OSI Level 5 - Session |
| Part of OS that converts incoming and outgoing data from one form to another. Also manages encryption and compression. | OSI Level 6 - Presentation |
| Represents the services that directly support applications such as software for file transfers, database access, email, and network games. | OSI Level 7 - Application |
Created by:
sdsober
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