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Jan 16, 2020 When your Mac tries to connect to a Wi-Fi network, it checks for issues that affect its ability to create a fast, stable, and secure connection. If an issue is detected, the Wi-Fi status menu in the menu bar shows a new item: Wi-Fi Recommendations. Choose it to see recommended solutions. Wi-Fi recommendations are available in macOS Sierra or later. The majority of network management tools are remarkably similar. They rely on the Simple Network Management Protocol for source data. The difference between tools comes down to how they manage and represent the SNMP data. Best Network Management Tools. Here is a quick list of our recommendations on the 6 best network management tools and software.
In previous versions of Windows, you could view the list of wireless networks you had previously connected to, change the order in which these Preferred Networks connected when more than one of them were available, as well as add or remove the Preferred Networks from this list. You could do so via Control PanelNetwork and InternetManage Wireless Networks.That feature has been removed from Windows 8.
To achieve the same result, there are two methods:Method 1: Delete the network on the Wireless Networks listNote: This method only works if the wireless network is in range of the computer. Click the Wireless icon then right click the network. Choose Forget this network.Method 2: Install third-party wireless profile management softwareYou need to download and install the freeware called WiFi Profile Manager 8:WiFi Profile Manager 8 lets you:.View the Preferred Network Profiles.Change list order.Export to XML.Import from XML.Remove ProfilesMethod 3: Manually delete the wireless preferred network filesStep 1. Go to My Computer and double-click Local Disk (C:):Step 2. Click on View and select Hidden items:Step 3.
Double-click Program Data:Step 4. Double-click the Microsoft folder:Step 5. Look for the folder Wlansvc and double-click to open it:Step 6.
Double-click the folder Profiles:Step 7. Double-click the folder Interfaces:Step 8. A single folder should be listed (unless the computer has more than one wireless adapter). Double click to open it:Step 9. All the profiles for the wireless adapter are displayed:Step 10. Open up each file in turn and read the SSID / wireless name and also the type of security. Once the file for the profile that you want to delete has been identified, simply delete it:Note: Remember to uncheck Hidden items under View to avoid accidentally deleting important files.Last Updated: Article ID: 22153Was this article helpful?
This article applies to:. GearHead Support for Home UsersGearHead Support is a technical support service for NETGEAR devices and all other connected devices in your home. Advanced remote support tools are used to fix issues on any of your devices. The service includes support for the following:. Desktop and Notebook PCs, Wired and Wireless Routers, Modems, Printers, Scanners, Fax Machines, USB devices and Sound Cards. Windows Operating Systems (2000, XP or Vista), MS Word, Excel, PowerPoint, Outlook and Adobe Acrobat. Anti-virus and Anti-Spyware: McAfee, Norton, AVG, eTrust and BitDefender.
An intermediary device sends network messages toward a final destination. Examples of intermediary devices include a firewall, router, switch, multilayer switch, and wireless router.4. Which statement describes a difference between RADIUS and TACACS+?. RADIUS uses TCP, whereas TACACS+ uses UDP. RADIUS is supported by the Cisco Secure ACS software, whereas TACACS+ is not. RADIUS encrypts only the password, whereas TACACS+ encrypts all communication. RADIUS separates authentication and authorization, whereas TACACS+ combines them as one process.
IPsec services allow for authentication, integrity, access control, and confidentiality. With IPsec, the information exchanged between remote sites can be encrypted and verified.
Both remote-access and site-to-site VPNs can be deployed using IPsec.13. What are two uses of an access control list? (Choose two.). ACLs can control which areas a host can access on a network.
ACLs provide a basic level of security for network access. Standard ACLs can restrict access to specific applications and ports.
ACLs can permit or deny traffic based upon the MAC address originating on the router. ACLs assist the router in determining the best path to a destination. Network Time Protocol (NTP) is used to allow network devices to synchronize their time settings with a centralized time server. DHCP (Dynamic Host Configuration Protocol) is a protocol which assigns IP addresses to hosts.
DNS (Domain Name Service) is a service which resolves host names to IP addresses. SNMP (Simple Network Management Protocol) is a protocol which allows administrators to manage network nodes.15. What is the only attribute used by standard access control lists to identify traffic?. source MAC address. protocol type.
source IP address. source TCP port. The two scanning or probing modes an access point can be placed into are passive or active. In passive mode, the AP advertises the SSID, supported standards, and security settings in broadcast beacon frames. In active mode, the wireless client must be manually configured for the same wireless parameters as the AP has configured.17.
A Cisco router is running IOS 15. What are the two routing table entry types that will be added when a network administrator brings an interface up and assigns an IP address to the interface? (Choose two.). route that is learned via OSPF. route that is learned via EIGRP. route that is manually entered by a network administrator.
directly connected interface. local route interface. A local route interface routing table entry is found when a router runs IOS 15 or higher or if IPv6 routing is enabled. Whenever an interface is addressed and enabled (made active), a directly connected interface is automatically shown in the routing table.18. Refer to the exhibit.
The network “A” contains multiple corporate servers that are accessed by hosts from the Internet for information about the corporation. What term is used to describe the network marked as “A”?. perimeter security boundary. internal network.
DMZ. untrusted network. Both TACACS+ and RADIUS support password encryption (TACACS+ encrypts all communication) and use Layer 4 protocol (TACACS+ uses TCP and RADIUS uses UDP).
TACACS+ supports separation of authentication and authorization processes, while RADIUS combines authentication and authorization as one process. RADIUS supports remote access technology, such as 802.1x and SIP; TACACS+ does not.21. What does the TACACS+ protocol provide in a AAA deployment?. AAA connectivity via UDP. compatibility with previous TACACS protocols.
authorization on a per-user or per-group basis. password encryption without encrypting the packet. Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco that encapsulates multiprotocol traffic between remote Cisco routers. GRE does not encrypt data. OSPF is a open source routing protocol.
IPsec is a suite of protocols that allow for the exchange of information that can be encrypted and verified. Internet Key Exchange (IKE) is a key management standard used with IPsec.25.
Which two statements are true about NTP servers in an enterprise network? (Choose two.). NTP servers at stratum 1 are directly connected to an authoritative time source. NTP servers ensure an accurate time stamp on logging and debugging information. There can only be one NTP server on an enterprise network.
All NTP servers synchronize directly to a stratum 1 time source. NTP servers control the mean time between failures (MTBF) for key network devices. Network Time Protocol (NTP) is used to synchronize the time across all devices on the network to make sure accurate timestamping on devices for managing, securing and troubleshooting.
NTP networks use a hierarchical system of time sources. Each level in this hierarchical system is called a stratum. The stratum 1 devices are directly connected to the authoritative time sources.26.
What is true concerning physical and logical topologies?. Physical topologies display the IP addressing scheme of each network. Logical topologies refer to how a network transfers data between devices. The logical topology is always the same as the physical topology.
Physical topologies are concerned with how a network transfers frames. Cisco developed NetFlow for the purpose of gathering statistics on packets flowing through Cisco routers and multilayer switches. SNMP can be used to collect and store information about a device. Syslog is used to access and store system messages.NTP is used to allow network devices to synchronize time settings.29. What is a function of a proxy firewall?. uses signatures to detect patterns in network traffic.
connects to remote servers on behalf of clients. drops or forwards traffic based on packet header information. filters IP traffic between bridged interfaces. The two discovery modes are passive and active. When operating in passive mode, an AP will generate more traffic as it continually broadcasts beacon frames to potential clients. In active mode, the client initiates the discovery process instead of the AP. Mixed mode refers to network mode settings, and open mode refers to security parameter settings.34.
What is a feature of the TACACS+ protocol?. It utilizes UDP to provide more efficient packet transfer.
It hides passwords during transmission using PAP and sends the rest of the packet in plaintext. It encrypts the entire body of the packet for more secure communications. It combines authentication and authorization as one process.
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