Cisco exam prep articles and study guides.
In an OSPF network when are DR and BDR elections required?
In an OSPF network, DR (Designated Router) and BDR (Backup Designated Router) elections are required when there are multiple routers on a broadcast or non-broadcast multi-access network. These electio...
What Protocol or Technology Uses Source IP to Destination IP as a Load-Balancing Mechanism?
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What is the effect of using the Router# copy running-config startup-config command on a router?
The command Router# copy running-config startup-config saves the current router configuration to startup memory, ensuring changes are retained after a reboot. It's essential for preserving network set...
What is an Accurate Description of Redundancy?
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Which impact does adding a Layer 2 switch have on a network?
Adding a Layer 2 switch to a network improves performance by reducing congestion, increasing bandwidth, and enabling better device communication within the same network segment. It helps manage traffi...
Which Type of QoS Marking is Applied to Ethernet Frames?
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In What Networking Model Would Edonkey, Emule, Bittorrent, Bitcoin, And Lionshare Be Used?
Edonkey, eMule, BitTorrent, Bitcoin, and LionShare are all used in peer-to-peer (P2P) networking models, where devices (peers) communicate directly without relying on a central server. These applicati...
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
The LLC sublayer of the OSI Data Link Layer manages error control and flow control to ensure reliable Ethernet communication. It also enables communication between the network layer and MAC sublayer....
Which Expansion Slot is Used by an NVMe Compliant Device?
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What data encoding technology is used in copper cables?
Copper cables commonly use data encoding technologies like Non-Return to Zero (NRZ) and Manchester encoding to ensure reliable data transmission. These methods help maintain signal integrity over vari...
What Is One Limitation Of A Stateful Firewall?
One limitation of a stateful firewall is that it cannot inspect the contents of encrypted traffic, leaving it vulnerable to attacks hidden within encrypted packets. Additionally, it may struggle with...
Which Data Encoding Technology is Used in Fiber-Optic Cables?
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Which Statement Describes IPV4 Addressing?
IPv4 addressing uses 32-bit addresses expressed in dotted-decimal notation (e.g., 192.168.1.1) to uniquely identify devices on a network. It supports approximately 4.3 billion unique addresses, divide...
What is an advantage of configuring a Cisco router as a relay agent?
Configuring a Cisco router as a relay agent allows it to forward DHCP requests between clients and servers across different networks. This ensures clients receive IP addresses even when they are on a...
Where Would a Technician Use an RG-6 Cable?
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Match The TCP/IP Model Layer To The Function
The keyword "Match The TCP/IP Model Layer To The Function" refers to an exercise where users align each layer of the TCP/IP model (Application, Transport, Internet, and Network Access) with its corres...
What is correct in relation to NAT for IPv6?
NAT (Network Address Translation) is generally not required for IPv6, as it offers a vast address space for direct device communication. IPv6 focuses on end-to-end connectivity without translation. Fo...
Which Device Can Control And Manage A Large Number Of Corporate APS?
A network switch is the primary device used to control and manage a large number of corporate access points (APs) in an enterprise environment. It efficiently directs data traffic between APs and the...
What is a Disadvantage of Deploying a Peer-to-Peer Network Model?
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Which PC Motherboard Bus is Used to Connect the CPU to RAM and Other Motherboard Components?
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Match The Spanning-Tree Feature With The Protocol Type. (Not All Options Are Used.)
The task "Match the Spanning-Tree feature with the protocol type" requires associating specific STP (Spanning Tree Protocol) functionalities—such as Rapid PVST+, MSTP, or STP—with their corresponding...
