• Career change: programming to networking

    I'm looking to move from programming to network administration and eventually security. I need advice. I have an AA degree. I did tech support and programming part-time in college. Since then, I've spent 2.5 years as a programmer (with some IDS responsibilities), 1.5 years doing QA on niche-market...

    Unicityd30 pointsBadges:
  • Best cabling for VoIP

    I have to choose between the next options for a new office with VoIP for 100+ users: Have the IP Phones connected to the network and the PC to the IP Phone. Have two network connections, one for each PC and Other for each IP Phone. Please help me telling me which is the recommended/better approach.

    Lincolc5 pointsBadges:
  • Checklist for data center cable labelling

    Hi, Can anyone please provide the checklist for labeling the cables in the data center. Please help me out.

    Lakshmi5 pointsBadges:
  • Cat5e and Cat6 unshielded twisted pair cables

    What is the difference between cat5e and cat6 unshielded twisted pair cables

    Rchrisw15 pointsBadges:
  • Cat 6 cable distance from microwave antenna to power adapter

    Are you familiar with Microwave products (Motorola) and their relationship to Cat 5/6? Specifically, do you know the usable distance for a Cat 6 cable from a microwave antenna to the power adapter?

    NetworkingATE1,545 pointsBadges:
  • How to terminate a cable and color arrangement

    How do you terminate a cable and color arrangement?

    NetworkingATE1,545 pointsBadges:
  • Collisions in network cable

    I still get collisions on one of my network cables even when I have a switch. Is this to do with the cable I'm using? What can I do?

    NetworkingATE1,545 pointsBadges:
  • Relation Between virtual memory, cache memory and RAM?

    Hi friends, Hope you all are doing fine. Actually, I am new in the networking field. Can anybody tell me the size relation between virtual, cache and RAM memory in Windows Operating systems? Thanks in advance.

    Balasaheb0 pointsBadges:
  • Maximum length of attenuation for twisted pair cables

    What is the maximum length of attenuation for twisted pair cables?

    NetworkingATE1,545 pointsBadges:
  • Unmanaged vs. Managed switch

    Hello: I need to know the difference between managed and unmanaged switch. If I use a managed switch will that pose overhead on my network performance? Could it reduce my internet connection speed on that switch? Best regards

    Amer830 pointsBadges:
  • CAT 6 Patch Panel with CAT5/CAT5e cabling

    Can CAT5 or CAT5e cabling working in a CAT6 Patch Panel. The Patch panel will connect to a Cisco 2950 switch

    vctjm320 pointsBadges:
  • Can’t connect to vpn since Microsoft Security update

    I am trying to connect to a Win 2003 VPN server from a PC running Windows XP Professional wired to a Linksys WRTP54G router (Vonage voIP) and cable modem. On Thursday, January 5, I got the VPN connection working fine. I used it multiple times including rebooting the PC. That night the automatic...

    Dasi4jpm85 pointsBadges:
  • LAN connectivity problem with Compaq notebook

    I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can't access LAN...

    BinooDas123410 pointsBadges:
  • RS 232 is there any differance between (RS232) and (RS232-C) protocols

    Hello, Is there any difference between(RS232) and (RS232-C) protocols? Please tell me details if possible. Thanks a lot.

    Sami5 pointsBadges:
  • Mac address to IP address resolution

    How can we resolve IP address from Mac address and can we do this from Cisco switch 3750? We are able to track port no and associated Mac address from Cisco switch by using the command #sh mac-address-table dyanamic>, but we also want to track the associated IP address with port no. Please...

    Ruchitgarhwal0 pointsBadges:
  • Cat 6 crossover only getting 100 Mbps?

    So I'm trying to make a 1000 Mbps connection between two machines with gigabit ethernet ports. Problem is, even with cat 6 cable, my transfer rate is peaking at 12.8 MB/s (should peak at 128, yes?). It says in the connection status on both ends that the speed is 100 Mbps. Is there something I need...

    Flibitijibibo15 pointsBadges:
  • Network Testing, Slow ping

    Hello all, I have just contacted a local firm to do a re-cabling to cat 6 for my company. But after the execrise. i decided to do a ping to see the time it take to ping. 1st i use a Cat6 and ping one of my server.  Below is the reply. Reply from 192.168.x.x: bytes = 32 time = 57 TTL128 Reply from...

    DBOY40 pointsBadges:
  • cisco 2811 with 2 fast ethernet ports and 4 vlans-2

    I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help me with the configuration on the...

    Sarfarazkz0 pointsBadges:
  • Configuring VLANs

    Hello All; If I'm configuring multiple VLANs on a Layer 3 switch (HP) do I have to setup static routes or will the switch learn them automatically? Also if I have multiple VlAN's on the Layer 2 switches that connect to the Layer 3 do I have to setup port trunking in order for traffic to be able to...

    Drainey0 pointsBadges:
  • What does “DB” mean, in DB-9 serial port?

    Posted on behalf of Ben: What does "DB" mean, in DB-9 serial port?

    Margaret Rouse1,920 pointsBadges:

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