100-490 Dumps for Pass Guaranteed - Pass 100-490 Exam 2024
100-490 Exam Dumps - Try Best 100-490 Exam Questions from Training Expert Free4Torrent
NEW QUESTION # 38
What does Cisco use for Return Materials Authorization tracking of field-replaceable parts?
- A. serial number
- B. RMA number
- C. product number
- D. FRU number
Answer: B
Explanation:
RMA (Return Materials Authorization) is a tracking number that is assigned to a product that is being returned to the manufacturer for repair or replacement. The RMA number allows the manufacturer to track the progress of the return and ensure that the product is returned to the correct customer.
NEW QUESTION # 39
What are two components of a WAN connection? (Choose two.)
- A. bridge
- B. router
- C. hub
- D. CSU/DSU
- E. switch
Answer: B,D
Explanation:
A Wide Area Network (WAN) connection typically involves several components that work together to enable data communication over large distances. Two key components of a WAN connection are:
CSU/DSU (Channel Service Unit/Data Service Unit): This device acts as a gateway between the local area network (LAN) and the WAN. It converts the digital signals used in the LAN to the signals used in the WAN, which are often analog12.
Router: A router is used to connect multiple networks together and direct data traffic. In the context of a WAN, routers are responsible for determining the best path for data to travel across the network12.
NEW QUESTION # 40
Which command displays information about the carrier network, cell site, and available service?
- A. show cellular unit hardware
- B. show cellular unit radio
- C. show cellular unit network
- D. show cellular unit profile
Answer: C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/solutions/Verticals/EE/IG-WAN/EE-WAN-IG/EE-WAN- IGch2.html
NEW QUESTION # 41
Which command displays the configuration register setting?
- A. show version
- B. show running-config
- C. show flash
- D. show config-register
Answer: A
NEW QUESTION # 42
Which type of physical connector does a Gigabit Ethernet port typically use?
- A. DB-25
- B. RJ-45
- C. RJ-9
- D. RJ-11
Answer: B
Explanation:
The typical physical connector used for a Gigabit Ethernet port is an RJ-45. This connector is standard for network cabling and provides the necessary performance for Gigabit Ethernet, which is also known as 1000BASE-T. RJ-45 connectors are used because they can support higher data rates compared to other connectors like RJ-11 or RJ-9, which are commonly used for telephone connections, and DB-25, which is an older serial port connector not suitable for high-speed Ethernet connections1.
Reference :=
2: Ethernet Alliance - The Physical Layer of Ethernet 3: Altium - Gigabit Ethernet 101: Basics to Implementation 1: Ascent Optics - All You Need to Know About RJ45 Cables: Connectors, Interfaces, and... 4: Hardware Secrets - Gigabit Ethernet and How it works (a 2022 Guide)
NEW QUESTION # 43
Which two Cisco Nexus 3400 Series switches support 400-Gbps Ethernet ports? (Choose two.)
- A. Cisco Nexus 3408-S
- B. Cisco Nexus 34200YC-SM
- C. Cisco Nexus 34180YC
- D. Cisco Nexus 3464C
- E. Cisco Nexus 3432D-S
Answer: A,E
Explanation:
Section: Cisco Equipment and Related Hardware
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3400s/sw/922/interfaces/ configuration/guide/b_Cisco_Nexus_3400_NX-OS_Interfaces_Configuration_Guide_922/ b_Cisco_Nexus_3400_NX-OS_Interfaces_Configuration_Guide_9z_chapter_010.html
NEW QUESTION # 44
From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?
- A. load_helper
- B. configure terminal
- C. copy running-config startup-config
- D. copy startup-config running-config
Answer: D
NEW QUESTION # 45
Which two IPv4 addresses can be assigned to a host computer? (Choose two.)
- A. 255.255.255.255
- B. 292.10.3.4
- C. 10.1.1.20
- D. 192.168.10.15
- E. 0.0.0.0
Answer: C,D
NEW QUESTION # 46
What are two purposes of a USB thumb drive? (Choose two.)
- A. to increase system memory size
- B. to save the system log
- C. to copy configuration files to and from a PC
- D. to copy IOS images to and from a PC
- E. to save router hardware information
Answer: C,D
Explanation:
Section: Service-related Knowledge
Explanation
Explanation/Reference:
NEW QUESTION # 47
Which two ports on a laptop are used to gain console access to a Cisco switch? (Choose two.)
- A. USB
- B. DB-9
- C. DVI
- D. RJ-11
- E. RJ-45 Ethernet
Answer: A,B
NEW QUESTION # 48
Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?
- A. transport
- B. presentation
- C. data link
- D. network
Answer: C
Explanation:
The data link layer of the OSI model, which is Layer 2, defines how data is formatted for transmission and controls access to the physical media. This layer is responsible for the node-to-node delivery of data and handles error detection and correction from the physical layer. It also manages the way data packets are sent over the network, including the framing, addressing, and flow control. The data link layer ensures that messages are delivered to the proper device on a LAN using hardware addresses (MAC addresses) and translates messages from the network layer into bits for the physical layer to transmit Reference:
NEW QUESTION # 49
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 5
- B. pins 2 and 8
- C. pins 1 and 4
- D. pins 1 and 7
- E. pins 2 and 7
Answer: B,D
Explanation:
Loopback plugs are used to test the physical connections and configurations of network equipment. In a 56K modem loopback plug, the following pins are looped to create a test signal:
Pins 1 and 7 (Transmit): Looping the transmit pins back to each other allows the device to test its own signal transmission.
Pins 2 and 8 (Receive): Looping the receive pins back to each other allows the device to test its ability to receive its own signal.
Understanding RJ-45 Wiring:
RJ-45 connectors are standardized and have a specific pinout for various applications like Ethernet networking and analog telephony connections. You can find resources online that show the standard RJ-45 color coding and pin assignments.
NEW QUESTION # 50
Refer to the exhibit.
Which two statements about the hardware components are true? (Choose two.)
- A. 3 is a USB 5-pin mini USB Type B port.
- B. 2 is a USB 5-pin mini USB Type B to USB Type A console cable.
- C. 3 is a USB Type A port.
- D. 1 is a USB Type A port.
- E. 2 is an RJ-45 to USB Type A console cable.
Answer: B,C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/access/2900/hardware/installation/guide/ Hardware_Installation_Guide/Install_Connect.html
NEW QUESTION # 51
What is the primary method for recovering or upgrading a Cisco network device system image?
- A. USB storage
- B. the xmodem command
- C. FTP
- D. the tftpdnld command
Answer: D
Explanation:
The tftpdnld command in Cisco IOS is specifically designed for recovering or upgrading a system image. Here's how it's the most effective method:
Purpose: The tftpdnld command directly initiates a TFTP download of a new system image and stores it in memory. This is ideal for replacing a corrupt image or upgrading to a newer version of Cisco IOS.
ROMmon: The tftpdnld command can often be used from ROMmon mode, which is essential when the existing image is unusable.
Efficiency: It streamlines the image transfer process specifically using TFTP, which is commonly used for Cisco IOS images.
Why other options are less ideal:
USB storage: While some newer Cisco devices may allow direct loading of an IOS image from USB, this isn't universally supported and often requires specific boot commands.
FTP: FTP (File Transfer Protocol) can be used for file transfers, but it's not as commonly used as TFTP in the context of Cisco IOS image recovery. The tftpdnld command offers a more tailored solution for this purpose.
the xmodem command: XMODEM is a legacy file transfer protocol that is slower and less reliable than TFTP, especially for larger files like Cisco IOS images.
NEW QUESTION # 52
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 8
- B. pins 1 and 4
- C. pins 1 and 7
- D. pins 2 and 5
- E. pins 2 and 7
Answer: B,D
Explanation:
Section: Cisco Equipment and Related Hardware
Explanation/Reference:
NEW QUESTION # 53
Which protocol does TFTP typically use for transport?
- A. HTTP
- B. RSVP
- C. TCP
- D. UDP
Answer: D
Explanation:
TFTP, or Trivial File Transfer Protocol, is a simple protocol used for transferring files. Unlike other file transfer protocols, TFTP operates on top of the User Datagram Protocol (UDP), which is a connectionless protocol. This means that TFTP does not establish a persistent connection between the client and server, and it does not guarantee reliable delivery of packets, error checking, or correction. TFTP is typically used in scenarios where simplicity and minimal memory footprint are more critical than the need for reliable delivery, such as when booting a device over a network123. Reference := Wikipedia, GeeksforGeeks, PyNet Labs
NEW QUESTION # 54
Which type of custom scripting has Cisco NX-OS added to help manage user networks?
- A. Collective
- B. C++
- C. Python
- D. SQL
Answer: C
Explanation:
Cisco NX-OS has added support for Python scripting to help manage user networks. Python is a powerful and versatile scripting language that is widely used for automation tasks, including network management. Cisco NX-OS leverages Python to enable network administrators to write custom scripts and programs that can interact with the network operating system, automate repetitive tasks, and integrate with other systems and APIs. This support for Python scripting is part of Cisco's commitment to network programmability and automation, allowing for more efficient and flexible network operations12.
NEW QUESTION # 55
Which command displays the configuration register setting?
- A. show version
- B. show running-config
- C. show flash
- D. show config-register
Answer: A
Explanation:
The show version command on Cisco devices provides a variety of system information, including:
Cisco IOS version: The version of the Cisco IOS software running on the device.
Boot image: The location of the IOS image used during startup.
Hardware information: Model, processor type, memory details.
Interfaces: A list of the device's interfaces.
Configuration register: The current value of the configuration register, typically displayed near the end of the output.
Why other options are incorrect:
show flash: Displays the contents of flash memory, but not the configuration register.
show running-config: Displays the currently active configuration, but the configuration register setting is not directly part of the running configuration.
show config-register: This is not a standard Cisco IOS command.
NEW QUESTION # 56
......
Latest 100% Passing Guarantee - Brilliant 100-490 Exam Questions PDF: https://www.free4torrent.com/100-490-braindumps-torrent.html
Practice Examples and Dumps & Tips for 2024 Latest 100-490 Valid Tests Dumps: https://drive.google.com/open?id=14LV7h3XE8GQfWhp_6iwOG4Hiqzs3F4Bf