... can be implemented to increase network security. There are two primary types of IDS: network based and host-based. The network based system acts similarly to a network level firewall. It cannot ... information about the network con-figuration. Authentication, especially of exter-nal BACnet users. Network Layer Attacks I-Am-Router-To -Network The I-Am-Router-To -Network message can ... traffic across the untrusted network (LAN/Internet). • As a router, separates the trusted network from the untrusted and thus can act as a BACnet firewall, performing network layer or application...
... 8-PSK–CDMA2000 1xRTT•Operates on two 1.25 MHz -wide frequency channels•Supports 144 Kbps packet data transmission2Objectives•Describe wirelesswidearea networks (WWANs) and how they are used•Describe ... 1xEVDO•For 2.5G CDMA2000 1xRTT networks25Binary Runtime Environment for Wireless (BREW)•BREW is a thin software environment–Very small program that resides on a wireless device •Capable ... (continued)•Short Message Services (SMS)–One of the most widely used applications–Allows for the delivery of short, text-based messages between wireless devices•Messages are limited to about 160...
... and WideArea NetworksOL-14760-01 Design Considerations •Use of EIGRP stub areas eliminates queries to spoke routers. •OSPF must periodically synchronize router databases within an area, ... generating link up/down SNMP traps and syslog messages for network management systems.28Ethernet Access for Next Generation Metro and WideArea NetworksOL-14760-01 Design ConsiderationsDesign ConsiderationsThis ... EdgeProvider EdgeCustomerEdge (CE)User Network Interface (UNI)Customer Premise Equipment (CPE)34Ethernet Access for Next Generation Metro and WideArea NetworksOL-14760-01 Scalability ConsiderationsTable...
... supports the storage areanetwork (SAN) fabric and connectivity between servers and other storage devices, such as storage arrays and tape drives.Front End Network The front-end network contains ... 95134-1706 USAEnterprise Data Center WideArea Application Services (WAAS) Design GuideThis document offers guidelines and best practices for implementing WideArea Application Services (WAAS) ... 11Front End Network 12Core Layer 13Aggregation Layer 13Access Layer 13Back-End Network 14SAN Core Layer 14SAN Edge Layer 15WAN Edge Component 15 19Enterprise Data Center Wide Area...
... faceplate 6644 1 152-XX 2 outlet labeling areas and 2 individual port ID areas4-port faceplate 6644 1 154-XX 2 outlet labeling areas and 4 individual port ID areasCopperTen™ 4-port staggered ... TNSCSFPSO4-YY 2 Includes: 2 outlet labeling areas and 4 individual port ID areas. 6-port faceplate 6644 1 156-XX 2 outlet labeling areas and 6 individual port ID areasDual-gang flush mount faceplates ... high, 2.572" to 3.866" (65.33mm to 98.2mm) wide Maximum thickness: 0.08" (2.03mm) 1 outlet labeling area, 4 individual port ID areas; includes 2 blank paper labels, 1 clear plastic...
... using SIR•Then they shift to FIR speed Wireless CommunicationsLow Rate Wireless Personal Area Networks2Objectives•Describe a wireless personal areanetwork (WPAN)•List the different WPAN ... work•Describe the security features of low-rate WPAN technology 3What is a WPAN?• Wireless personal areanetwork (WPAN)–Group of technologies that are designed for short-range communications–Eliminates ... devices•Include–Bluetooth–802.15.4 (ZigBee)12Bluetooth Protocol Stack (continued)14Bluetooth Protocol Stack (continued)• Network topologies (continued)–Scatternet•Group of piconets in which connections exist between...
... the same order in every frame Wireless# Guide to Wireless Communications 15802.15.3 Network Topology (continued) Wireless# Guide to Wireless Communications 27Ultra Wide Band (UWB)•Allows new ... corrected–Also called error correction (FEC) Wireless# Guide to Wireless Communications 26Mesh Networking (802.15.5) (continued) Wireless# Guide to Wireless Communications 28How UWB Works•UWB ... and storage Wireless# Guide to Wireless Communications 32How UWB Works (continued) Wireless# Guide to Wireless Communications 18Additional MAC Layer Functionality (continued) Wireless CommunicationsChapter...
... wired network interface port•AP functions– Wireless communications base station–Bridge between the wireless and wired networks6 Wireless Network Interface Card (continued)5 Wireless Network ... of wireless clients and an AP•Extended Service Set (ESS)–Two or more BSS wireless networks installed in same area –Provides users with uninterrupted mobile access to the network •All wireless ... communicate among themselves Wireless Communications Wireless Local Area Networks4WLAN Components•Minimal hardware needed for a WLAN–Computer–ISP– Wireless network interface card–Access...