Practice Questions Flashcards
1
Q
- What does Cisco use for Return Materials Authorization tracking of field-replaceable parts?
A
RMA number
2
Q
- An Ethernet interface is up and the line protocol is down. What are two possible causes?
(Choose two.)
a) There is a speed or duplex mismatch with the remote device
b) There is a Layer 2 mismatch in the encapsulation type
c) The Ethernet interface has been manually disabled
d) Keepalives are not being received by the local device
e) The Ethernet cable might not be attached properly
A
Answer: a, b
3
Q
- Which type of memory stores the configuration of a router or switch by default?
A
NVRAM
4
Q
- How many pairs of copper wire does a UTP cable have?
A
4
5
Q
- When you deploy Cisco Catalyst 3850 Series switches, which two modes of operation can you choose from?
A
Install mode and Bundle mode
6
Q
- Which method is the fastest way to recover a software version that supports a USB flash port on a Cisco device?
A
copy command with USB memory
7
Q
- Which Windows-based text editor is preferred for working with a simple text document, such as a Cisco configuration?
A
Microsoft Notepad
8
Q
- Cisco NX-OS has added the ability to use which type of custom scripting to help manage user networks?
A
Python
9
Q
- Which two commands set the configuration register value?
(Choose two.)
a) rommon>confreg 0x2102
b) router(config)#confreg 0x2102
c) rommon>config-register 0x2102
d) router(config)#configuration-register 0x2102
e) router(config)#config-register 0x2102
A
Answer: A, E
10
Q
- Which command displays information about the carrier network, cell site, and available service?
A
show cellular unit network
11
Q
- Which two pieces of information are displayed when you use the show ip interface brief command? (Choose two.)
A. Layer 2 address
B. keepalive
C. Layer 3 address
D. encapsulation type
E. interface status
A
Answer: C, E
12
Q
- Which command sends an echo request packet to the target host and then waits for an echo response message?
A
ping
13
Q
- You are troubleshooting a network connectivity issue between two devices. Device A has an IP address of 192.168.1.10 and Device B has an IP address of 192.168.1.20. Both devices are in the same subnet and connected to the same switch. However, Device A cannot ping Device B. What could be a possible reason for this issue?
a) Incorrect subnet mask configuration on Device A
b) VLAN mismatch on the switch
c) IP address conflict with another device in the network
d) Physical cable connectivity issue between Device A and the switch
A
c) IP address conflict with another device in the network
14
Q
- Which two pieces of information about a neighboring device are displayed when you use the CLI command show cdp neighbor? (Choose two.)
A. platform
B. uptime
C. device ID
D. Cisco IOS Software version
E. IP address
A
Answer: A, C
15
Q
- Which command displays the configuration register setting?
A
show version
16
Q
- At the interface configuration prompt, which command returns you to the main configuration prompt?
A
exit
17
Q
- Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?
A
show inventory
18
Q
- Which type of Cisco console cable is used to connect a laptop to the console port on a Cisco router?
A
Rollover
19
Q
- Which protocol does TFTP typically use for transport?
A
UDP
20
Q
- What is the correct IPv6 address notation?
A. 2001:0DB8::/128
B. 2001:0DB8:0::
C. 2001:0DB8::1:1:1:1:1
D. 2001:0DB8:130F:0000:0000:7000:0000:140B
A
Answer: D
21
Q
- Which two statements about Telnet and SSH are true? (Choose two.)
A. SSH is a protocol that provides a secure remote access connection to network devices.
B. SSH uses the well-known TCP port 23 for its communication.
C. A Telnet network management connection is dropped when a router reboots.
D. Telnet is a protocol that provides a secure remote access connection to network devices.
E. Telnet is preferred over SSH for security reasons.
A
Answer: AC
22
Q
- Which address facilitates the routing of packets over an IP network?
A
Network (IP)
23
Q
- Which two IPv4 addresses can be assigned to a host computer? (Choose two.)
A. 255.255.255.255
B. 10.1.1.20
C. 0.0.0.0
D. 192.168.10.15
E. 292.10.3.4
A
Answer: B, D
24
Q
- What are two components of a WAN connection? (Choose two.)
A. CSU/DSU
B. router
C. bridge
D. hub
E. switch
A
Answer: A, B
25
Q
- Which device is a DTE device?
A
A DTE (Data Terminal Equipment) device is any device that communicates with another device through a network or communication line. In networking, DTE devices typically originate or terminate data transmissions. These can include computers, routers, switches, printers, and other devices that generate or consume data.
26
Q
- Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?
A
Data Link
27
Q
- Which command shows the status of power supplies and sensor temperatures?
A
show environment
28
Q
- What are two standard fiber-optic connectors? (Choose two.)
A. Lucent
B. rollover
C. subscriber
D. multidimension
E. crossover
A
Answer: A, C
29
Q
- Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)
A. switch-to-switch
B. switch-to-router
C. switch-to-hub
D. router-to-router
E. switch-to-server
A
Answer: B, E
30
Q
- Which two features are associated with single-mode fiber-optic cable? (Choose two.)
A. consists of a single strand of glass fiber
B. has higher attenuation that multimode fiber
C. carries a higher bandwidth that multimode fiber
D. costs less than multimode fiber
E. operates over less distance than multimode fiber
A
Answer: A, C
31
Q
- Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?
A
QSFP+
32
Q
- What is the line speed of a DS0 in North America?
A
64 kbps
33
Q
- Which two statements about a SmartJack are true? (Choose two.)
A. It provides signal conversion.
B. It acts as a concentration point for dial-in and dial-out connections.
C. It operates at Layer 2 of the OSI model.
D. It provides channel testing.
E. It regenerates the signal to compensate for signal degradation from line transmission.
A
Answer: A, E
34
Q
- The pins on an RJ-45 cable plug are numbered from 1 through 8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which two sets of pins are looped on an RJ-45 56K loopback plug? (Choose two.)
A. pins 2 and 7
B. pins 2 and 8
C. pins 2 and 5
D. pins 1 and 7
E. pins 1 and 4
A
Answer: C, E
35
Q
- Which two Cisco Nexus 3400 Series switches support 400-Gbps Ethernet ports? (Choose two.)
A. Cisco Nexus 34180YC
B. Cisco Nexus 34200YC-SM
C. Cisco Nexus 3432D-S
D. Cisco Nexus 3408-S
E. Cisco Nexus 3464C
A
Answer: C, D
36
Q
- Which type of memory stores the configuration of a router or switch by default?
A
RAM
37
Q
- Which two commands identify the serial number of a Cisco router? (Choose two.)
A. show run
B. show inventory
C. show environment
D. show version
E. show archive
A
Answer: B, D
38
Q
- Which router port is used for dial-in access to the router for CLImanagement purposes and does not usually pass normal network traffic?
A
AUX
39
Q
- What is the primary purpose of the ARP (Address Resolution Protocol)?
A
Maps IP addresses to MAC addresses
40
Q
- What is the purpose of the DHCP (Dynamic Host Configuration Protocol)?
A
Assigns IP addresses to network devices dynamically
41
Q
- What is the function of the DNS (Domain Name System) in a TCP/IP network?
A
Translates domain names to IP addresses
42
Q
- Which command is used to view the ARP cache on a Cisco router?
A
show ip arp
43
Q
- Which command is used to view the current IP routing table on a Cisco router?
A
show ip route
44
Q
- Which of the following is a Layer 3 protocol used for addressing and routing packets in a TCP/IP network?
A
IP
