Abdelkhalik Mosa

ccnaciscoacad ccna unicast multicast cisco ethernet frame osi tcp/ip network virtualization bandwidth mac collision domain csma/cd throughput goodput university of westminster ispdc automatic scaling cloud-native automatic deployment big data hadoo planetlab cloudsim server underutilization server overutilization virtual machine migration dynamic virtual machine placement initial virtual machine placement server utilization virtual machine placement parameter-based virtual machine allocation cloud data centers virtual machine consolidation utility computing grid computing academic poster examples academic poster evaluation academic poster review academic poster design paas examples iaas examples saas hybrid cloud community cloud private cloud public cloud pay per use model measured service self service elastic service on-demand service characteristics of cloud services cloud deployment models cloud service models cloud enabling technologies cloud computing scientific poster collaboration conference interface id unique local address global unicast address site prefix link local address ipv5 ipv6 anycast probe authenticate beacons ess bss ibss ad hoc network modes ssid hidden node problem wireless router wireless access points wi-fi dsss ofdm radio frequency (rf) infrared wireless lan wlan vtp revision number vtp transparent vtp client vtp configuration vtp modes vtp server revision number subset advertisement vtp request advertisement vtp advertisements summary advertisement vtp domain vtp pruning virtual lan 802.1q svi management vlan trunk dynamic vlan static vlan default vlan data vlan switchport mode access switchport mode trunk voice vlan native vlan vlan port security shared memory symmetric and asymmetric switching cut-through store and forward broadcast domain switch mac table mdix half duplex full duplex fisher phreaker security appliances ips ids malicious code attacks mitigating techniques access attacks reconaissance social engineering internal threats security threats security policy dos ddos vulnerabilities backdoor hacker network security media independent routed protocols time to live (ttl) routing protocols fragment offset mtu type of service connectionless loopback addess nat tracert private address globally scoped addresses public address broadcast address ping icmp media access control (mac) physical and logical topology logical link control (llc) transmission control protocol user datagram protocol utp & stp cables null0 summary route power over ethernet (poe) forwarding rates link aggregation port density stackable switches converged network redundancy bandwidth aggregation network diameter core layer access layer distribution layer lan switching 4b/5b code symbols manchester encoding nrz signaling configuring router interfaces global configuration mode aux port nvram configuring passwords enable mode cisco router console port show version router boot-up process show running-config udp three-way handshake socket netstat well known ports tcp registered ports destination port tcp connection termination sequence number root dns servers smb smtp pop3 http ftp network-aware applications daemons stp 640-802 osi layers cisco certificates utp cables protocol data unit (pdu) nic 10base2 10base5 slot time bit time llc random backoff switch latency alohanet broadcast automatic summarization default route ripv1 history passive interfaces debug feasible distance (fd) reliable transport protocol (rtp) reported distance (rd)/ ad protocol dependent modules (pdm) successor eigrp packet types router eigrp disabling automatic summarization verifying eigrp bandwidth command dual finite state machine ssh smb protocol client-server model servers domain name system (dns) osi presentation layer p2p file sharing and gnutella protocol telnet osi session layer dhcp peer-to-peer network design hub bridge ieee 802.11 “wi-fi” shielded twisted-pair (stp) otdr coaxial cable ieee 802.15 bluetooth optical fiber connectors single-mode fiber cable multi-mode fiber cable controlled “scheduled access or deterministic” media access control mac contention-based ” non-deterministic” logical link control llc media access control encapsulation hosts network devices intranet wan extranet lan arp ip v3 header network layer ip fragmentation ip v4 characteristics prefix length vlsm subnet mask subnetting discontiguous networks rip v1 boundary router distance vector routing protocol rip updates port addressing window size eigrp eigrp metric calculation dual algorithm classless dv physical layer data link layer routers ip v4 transport layer application layer ethernet